The manager of the Skate-In North, Mike, waits outside with a Black family of three. Jada nervously waits, her parents are patient, but Mike is impatient.
A white Ford 150 pulls into the parking lot. Mike's phone rings. He says that he's handling things by himself, Barry won't be there.
Kimmy steps out of the Ford. Her parents, Reba and Garth don't get out and are rude towards Jada's parents, Sylvester and Donna.
Jada and Kimmy refuse to acknowledge each other, something has happened between them. Mike hurries the girls inside. On the phone, he says that Barry quit.
Kimmy snarkily refers to Jada as Ms. President and they go inside. Mike locks them in.
In the lobby, Baratunde and Rodney are already waiting. Baratunde carries a backpack with vinyl records and Rodney carries roller blades. Mike charges Baratunde $20 to get in. Baratunde asks if Mike is the boss and he says he's the owner. Jada points out he's the co-owner. Mike says it's the same thing, but she says her father says otherwise. Mike charges Rodney $20 and questions who Jada's dad is? She notes he's a high-priced lawyer. Jada pays for both her and Kimmy to get in. Mike takes away everyone's phones. Baratunde and Jada bump into each other and flirt awkwardly. All four put on nametags.
Inside the building, Mike locks the door and heads towards the DJ booth. The place is packed, but skating hasn't started yet. Mike reads the skating rink rules. Kimmy, Jada, Baratunde and Rodney stand at the skate rental window with Stacey. Michelle works the window. Stacey is too enthusiastic for the others and Rodney makes fun of her. She gets her skates and leaves. Te others get their skates.
At Northside Nachos, Mike introduces Joey, who is running the food stand, and lists the specials. Kimmy skates over to Jada, but Jada skates away. Kimmy follows and asks if Jada is going to ignore her all night. Jada says she doesn't have anything else to say. Jada skates away. Mike opens up the floor for skating. He says there will be games starting in an hour and starts playing music.
Jada skates around the rink where various clusters of students have formed: the Nerds, the Goths, the Mean Girls, the Jocks, the Stoners and the Hipsters.
As DJ, Mike continues to play out-of-date songs that don't inspire much skating.
At the Nerd spot, Kimmy and Stacey are joined by Tracy. Stacey asks Kimmy what's up with Jada, but Kimmy doesn't want to talk about it. Tracy asks them to help her hand out the nametags. She can't find them and skates off to find them.
At the Goth Spot, Alice sits with Nicolas, Lolly and Razer. Nicolas says the music depresses him. Tracy stops by and makes fun of them. Nicolas says he's a vampire, not a goth. Then he makes fun of Lolly for not knowing the band on her shirt. She's really a big fan, she's just making fun of Nicolas. Lolly and Alice are into each other. Nicolas skates away.
At the Mean Girls Spot, Taylor, London, Lindsey and Rachel ignore Nicolas as he skates by. Taylor asks why they're here. It's because London loves skating. Rachel has never skated before.
At the Jock Spot, Donnie hates the music. Rachel tries to get by them, but Louie is in the way. James pulls him out of the way. Kevin hits on her, but she knocks him down. Louie shows the other jocks the fake tattoos he got. Kevin isn't interested at first, but changes his mind. Louie says he got them from the Stoners.
At the Stoners' Corner, Kevin asks about the tattoos. Seth makes fun of him. George charges him $5 and he skates away. Justin and Hailey make out. George tells Seth he wants a girl like Hailey. Seth makes fun of him. Tony and Shaun make fun of them and leave to get high on something stronger than weed. The other guys agree that they ate Tony and Shaun.
At the Hipsters' Spot, Shaun almost runs into Baratunde. Jasper is the new kid. Freddie and Pierre laugh. Rodney's dad is a plumber. Billy is another new kid. Freddy makes fun of Pierre saying his name is really Peter. Mel makes fun of him for wanting a French name. Ayofemi calls him out and Indy tells him to go away. Mel skates away. Tiffany and Indy get up to skate. They go fast and do advanced tricks.
The Brothers Dim emerge from the bathroom, where they were smoking weed: Blaine, Biff and Ted. Mike smells the weed, but doesn't know what it is. On their way towards the stage, Ted bumps a blonde kid and knocks him down. He tries to get up and Biff knocks him to the floor. They claim the stage as their spot. Biff spouts off about conspiracy theories. They talk vaguely about some plan. Ted says he isn't hurting any little kids. Biff says they only have to hurt one big kid each and he'll take care of the rest.
At the Nerd Spot, Jada finally sits, but as far away from Kimmy as she can. Kimmy says she hates the Brothers Dim. Stacey writes the insult down. Jada says the three boys are the only seniors that didn't get invited to the senior party. Tracey has the nametags now and asks the others to help and they agree.
Jasper and Billy skate around the rink, carrying sharpies and nametags. Further ahead of them Stacey and Jada carry the same. Further behind Kimmy and Tracy carry them as well. Each duo makes their way to a different group of kids along the side of the rink. All six of them now wear nametags with their first names on them.
At the Goth Spot, Jasper and Billy join Alice, Nicolas, Lolly and Razer and offer them nametags. Nicolas and Alice refuse. Razer and Billy hit it off.
At the Mean Girls' Spot, Stacey and Jada bring the nametags. Rachel puts hers on London, Lindsey and Taylor take nametags, but the throw them away once Stacey and Jada leave.
At the Jock Spot, Kimmy and Tracy bring the nametags. They say they're exempt because their letterman jackets on. Louie tries to grab Donnie by the head and give him a noogie, but Louie somewhat violently pushes him off. Kimmy questions why they're wearing the jackets. Louie says they're trying to be sexy. James says it's to show school spirit. Kevin isn't wearing his jacket, but he rudely rejects the nametag. Jada makes fun of him as she skates by. Kevin gets upset and he accidentally knocks the blonde kid down.
At the Stoners' Corner, Jasper and Billy bring the nametags. The Stoners are welcoming. They’re high. Everyone takes a nametag except Tony and Shaun. Tony and Shaun threaten the new kids, but the others step in and stop them. George breaks out the weed brownies. Everyone takes them except the new kids.
At the Hipsters' Spot, Stacey and Jada bring the nametags. Everybody takes one except for Freddie and Mel. Freddie changes his mind and gets one and writes a joke about Pierre and slaps it on his back secretly. Mel is rude to Jada, but she defends herself. Freddie, Pierre and Ayofemi skate away. Mel scoots closer and says he heard a rumor about Tiffany. Indy cuts him off and reveals she has alopecia. Mel tries to make fun of her, but she ignores him and he gets frustrated. Indy fakes a punch at Mel and he flinches and falls on his ass. Indy and Tiffany skate away and they are the best skaters on the floor.
On the stage, Kimmy and Tracy skate up to the stage. Biff asks them what they want, insulting them in the process. Kimmy skates away. Tracy offers them nametags, but they refuse. They tell her to go away. Biff says it's almost time to start hurting people.
In the DJ booth, Mike turns DJ duties over to Baratunde, who starts playing better music.
Mike leads everybody in the Cha-Cha Slide. Well, not everybody. Mostly just the younger kids. And Kevin.
At the Nerd Spot, Blaine comes to talk to them. Kimmy and Jada leave. He tells Stacey and Tracy he needs their help on something patriotic.
Mike leads the kids in Hokey Pokey, but it’s really just the youngest kids. Even the older middle school kids think it’s corny.
At the Goth Spot, Biff visits. Razer ignores him. Biff asks if they are anarchists. Lolly says yes, Alice says no, Nicolas implies yes, Razer tells Biff to fuck off. Biff asks them if they want to be famous. Razer leaves.
Mike stands at the limbo bar as a line of kids readies to go under it. Donnie tries to go under the bar, but he’s way too big to be playing this game.
At the Mean Girls' Spot, Ted visits. He brings up the fact that London used to date Blaine. The other girls yell at him. He reminds them that London is a regular at the rink. He tells them the rink is closing and asks if they want to do something about it. London is eager.
On the rink, Mike leads the kids in the backwards race. Tiffany and Indy tie for victory and playfully fight over who is better.
At the Jock Spot, Blaine arrives. He's talked to them before about the plan, he appealed to their patriotism. Louie says he isn't hurting anyone. Donnie is reluctant as well. Kevin, on the other hand, is ready for violence.
Most of the younger kids skate around the floor willy nilly, ostensibly playing freeze tag on skates. But no one is even trying to follow the rules and Mike endlessly blows his whistle amidst the chaos.
At the Stoners' Corner, Biff arrives. Only Tony and Shaun welcome him, the others are wary. He appeals to their interest in local small businesses. They immediately reject his arguments with hostility. Tony and Shaun follow him and say they're in.
Mike leads the kids in a Conga line around the rink. The younger kids come next. A few of the big kids horse around at the end of the line. A few of them are kinda into it.
At the Hipsters' Spot, Ted arrives. Everyone is hostile except Mel. The others shame Mel and he leaves. No one listens to Ted.
On the Stage, the Brothers Dim reassemble. Biff asks how they're doing. Ted said most kids aren't going to help them, but aren't going to stop them. Blaine says there are a few to worry about and they identify Freddie, James and Rodney. They set their plan in motion.
In the Lobby, Mike, Michelle and Joey are gathered. Blaine, Biff and Ted block them from going back into the rink. Biff punches Mike in the face, drawing blood. Ted fakes a punch at Joey, and Joey is clearly afraid of him. Biff asks where Mike's phone is. All the staff phones are in the office charging. Biff tells the staff to go outside, the Brothers Dim are now in charge. Blaine chains the door behind them. Ted pulls the shades down completely closing the rink off to the outside world.
Biff leads Blaine and Ted back inside. He locks the door to the lobby. He quickly walks across to the bathrooms. Biff dips into the girls room and Blaine and Ted guard the door.
Inside the bathroom, Kimmy sits in a stall. She pulls her legs up and hides as Biff walks in. Biff tries to flush the key to the front door, but it doesn't go down. He retrieves it and tosses it down a broken drain. Kimmy sneaks a peek ans sees what Biff is doing.
Outside the rink, Mike, Joey and Michelle sit on the curb. They ask Mike what they should do, but he doesn't know. The rink is isolated in an industrial park where everything is closed and empty. Mike says they should wait it out.
Flashback to Jerry's apartment, Biff hangs out. Jerry tells him he has to work the night of the senior class party. Jerry has a job for him. He says Biff has to go to the skating rink. They have to kill someone. He says that the adults are gone and the kids are in charge. He says there are no rules, everything is allowed and everything is free. Biff drops the mic, breaking it. Baratunde plays Blaine's favorite song.
At the Nerd Spot, things are quiet and divided. Kimmy tells Stacey she saw where they threw the key. Stacey they’re both afraid.
The Goth Spot is equally divided. On one side, Alice paints Nicolas’ fingernails black. At the other end, Lolly and Razer dance to the Frankie Smith song. They’re on skates, but are dancing in place, not going anywhere. And ignoring Alice and Nicolas.
At the Mean Girls' Spot, London doesn't like the music. Lindsey does and they fight about it because its Blaine's favorite song. London says Lindsey is taking Blaine's side. Lindsey grabs her by the shirt and they tussle, knocking Rachel over, injuring her risk when she falls. London is apologetic, Lindsey isn't. London takes Rachel to get help.
At the DJ Booth, London wraps a bandage around Rachel's wrist. Taylor arrives and says that Biff said they are in lockdown and nobody can leave or us their phone. Rachel is in pain and Taylor has painkillers. They aren't free, though, and London says she'll pay.
At the Jock Spot, the Brothers Dim visit. Louie says they aren't hurting anyone. Kevin disagrees. Biff says no one will get hurt, unless they have an accident. James doesn't trust them and calls them out for lying to him all the time. He says that if anyone tries to start violence, they'll get their asses kicked.
At the Stoners' Corner, the now very high Stoners engage in a tickle fight. Tony and Shaun skate by, horsing around, and knock the blonde kid down. He crashes into George, Justin and Hailey. Tony and George get in a fight, but the Jocks break it up.
At the Hipsters Spot, Billy and Jasper get to know each other and Billy explains what names mean to the Apache. They talk about what dancing means to them. Then they bond over baseball.
On the Stage, Blaine, Biff and Ted cut loose. Blaine used to work at the rink, so he knows where everything is. Biff breaks into Mike's office. They set all the video games to free play. Blaine finds alcohol in Mike's desk. The Blonde kid tries to get some alcohol, but Ted pushes him to the floor. Ted leads a raid of Northside Nachos. They open up the vending machines. Biff unlocks the storage room and brings out the supplies for sports and games. Biff smashes the phones of the staff with a hammer.
Freddie is making fun of Pierre when the Brothers Dim emerge from the office. They join in and Biff punches Pierre in the face. He tells Pierre to go get a nametag and put Peter on it. Rodney stops by and tells the Brothers Dim they should pick on him, not the younger kids. They don't, but they tell each other Rodney is going to be a problem.
Flashback to Jerry's Apartment, Their uncle Peppy is there, he got the gig from a friend of his in prison. He says it's a sizeable pay day. Peppy said he wouldn't include them if he had a choice. He tells them they have to do the plan after 11:30 because it'll be isolated. Peppy walks them through the plan.
In the present at Northside Nachos, Stacey and Tracy make nachos. Tracy jokes around with a knife until the Brothers Dim arrive. Ted takes the knife. Stacey tells them the other nerds call them the Brothers Dim. Ted and Blaine don't understand the insult, but Biff does. Ted insults Stacey and she skates away, trying not to cry.
At the Nerd Spot, Kimmy asks Jada if they can talk. Jada gives in. Kimmy asks what she did wrong. Jada is disappointed that Kimmy doesn't want to do more with her life, but Kimmy says that they are different. Jada says real life won't let her just be herself, but Kimmy says only Jada is doing that. She skates away crying.
At the Hipsters' Spot, Kimmy sits near Rodney. He asks her what's wrong and the two of them flirt. She confides in him and tells her she should open up more to Jada. Turns out he was asking her the questions she told him to, he wasn't prying.She gives him a kiss. He approves.
Outside, Michelle and Joey make out and Mike watches, like a creep. Joey calls him out and he stops and moves further away. He remembers there is a hide-a-key near the building. He goes to get it, but it is gone.
At the DJ booth, Baratunde asks Billy to play a song for him and he leads Jada in a couple's skate. While skating, Baratunde says he understands what she's going through. He tells a story about falsely accusing Rodney of using the N word and how he jumped to a conclusion. He caution her to give Kimmy the benefit of the doubt.
In the DJ Booth, the song ends. Billy plugs his phone into an aux cord and he hits play.
On stage, Ted hates the music. Biff says it's time to start taking pieces off the board. Ted skates away and talks with Shaun and Tony. Ted gives them some Adderal and tells them to take care of Rodney. The two of them drink and prepare.
Ted plays with the knife and Bill tells him to put it away. He stashes it, but Ayofemi watches him do it.
At Northside Nachos, a pay phone rings. At first nobody realizes what it is. Seth reacts first and goes to answer it. Biff tells Blaine to stop him and tells Ted to answer the phone. Blaine breaks Seth's arm, but almost nobody notices. Ted answers the phone, but it's a wrong number. He breaks the phone. Justin and Hailey tend to Seth. Rodney while he's skating, and they break his leg. Almost nobody sees this either. Louie and James confront the Brothers Dim about Rodney, but he says it was clearly an accident.Tings escalate, but not to fighting levels. James says they'll be watching.
Jada sneaks into Mike's office. Kimmy says they have to call the doctor, but Biff says he tried and none of the phones are working. Jada comes back in with the pieces of the broken staff phones. Biff pretends he didn't break them. He says they'll figure out who did it. Ted reaches for the knife, but it's missing. Jada and Kimmy agree that the Brothers Dim must be stopped.
Flashback to Jerry's Apartment, Blaine, Biff and Ted sit around, but Jerry isn't there. Blaine and Ted try to poke holes in the plan, but Biff has the answers.
In the present at the Nerd Spot, Rodney is cradled by Kimmy as his broken leg is elevated. Stacey and Tracy chat privately and Tracy tells her the Brothers Dim aren't her real friends and they're just using her. Stacey says she knows and Tracy comforts her.
At the Goth Spot, Lolly and Razer ignore the others. Nicolas and Alice question them and Razer skates away. She takes a peek at a picture of her girlfriend.
At the Mean Girls' Spot, London packs up to move elsewhere. She's done with Lindsey and leaves. Rachel follows London, Taylor stays with Lindsey.
Near the Nerd Spot, Rachel sits near the Nerds, but alone. London arrives and gives her a new nametag and put on her own.
At the Jock Spot, Louie rags on Kevin and Kevin skates away.
At the Stoners' Corner, Seth rests. George sleeps. Justin and Hailey make out. Tony and Shaun skate recklessly. Stacey and Tracey join them. Stacey says she wants to go home. She tells them Kimmy knows where the key is. Justin listens.
At the Hipsters' Spot, Freddie makes a new nametag that says Pierre. He apologizes and calls him Pierre for the first time. He's remorseful about Pierre being assaulted. Pierre accepts the apology.
On stage, Biff says its time to escalate things. But he's nervous and Ted and Blaine notice. Biff goes to the DJ booth to use the mic. He announces that general anarchy is over and it's time for gladiatorial games.
On stage, Blaine, Biff and Ted watch two kids on skates face off with padded pugil sticks. Kids are beating each other senseless. Biff orders Freddie and James to battle and tells Blaine and Ted to beat them up. Freddie is beating Blaine when Biff gives Blaine the signal. Blaine sweeps his legs and Freddie falls and gets a concussion. Jeff beats Ted pretty easily, so Biff steps up. Biff confuses him and then stomps on his ankle, breaking it.
At the Nerd Spot, Kimmy and Jada immediately get over their problems and focus on the bad guys. Jada says they gotta get out of the rink. Kimmy doesn't know how. Justin puts the pieces together that Rodney's father is a plumber and the key is in the drain. They wonder how to get Rodney to the bathroom. Baratunde surprises them with a makeshift wheelchair from a chair and a mop bucket. Stacey reveals that she ratted the nerds out to the Brothers Dim. Blaine, Biff and Ted arrive, overhearing Stacey. Biff makes fun of her before asking about whatever plans they've been making.
Outside, a grey Dodge Charger pulls up and Jerry hops out. Mike tells Jerry he can't park in the disabled spot. Mike tries to stop him from going inside and Jerry smashes Mike in the nose and knocks him unconscious. Michelle and Joey run and Jerry fires a warning shot after them.
Flashback to Flannery O'Conner High School, Blaine and Baratunde sit in the hallway taking a make-up test. Baratunde sees Blaine cheat several times. Blaine asks Baratunde to give him one of the answers, but Baratunde refuses. The teacher comes out to check on them. She almost catches Blaine cheating and she asks Baratunde if he saw anything. Baratunde refuses to rat him out.
Outside the school, Blaine catches up to Baratunde and asks him why he didn't rat him out. Baratunde says he's no snitch, particularly not against another Black guy. Blaine pulls out his phone and plays Baratunde his favorite song.
In the present, the Brothers Dim and the no-nametaggers block the way to the bathroom. Jada and the nametaggers outnumber them, but they’re smaller, younger and less violent-looking. Kimmy says they can't stop all of them. The remaining jocks join Jada and Kimmy's side. The injured sit on the sidelines. Jada says the stronger people need to take out the big guys. Lolly says she'll wheel Rodney to get the key.
Biff yells and the no-nametaggers attack. Groups of nametaggers isolate their enemies and surround them. Mel tries to punch Baratunde but he backs away. Mel herds Baratunde towards Blaine, but Blaine refuses to hit Baratunde. Baratunde knocks Mel down. Blaine refuses to fight. Kevin has Jasper in a sleeper hold. Billy attacks and breaks Kevin's nose. Billy is a trained boxer and he punches Kevin two more times, knocking him out. Indy and Tiffany team up to do a skate trick and knock Ted out.
Kimmy and Jada come face-to-face with Biff. Razer shines her lights in Biff's eyes and distract him. Kimmy and Jada rush him and shove him. He falls over the Blonde kid and hits his head on the floor and is knocked out. The Blonde kid introduces himself as Harry. Lolly and Rodney come out of the bathroom with the key.
In the Lobby, Jada and Kimmy open the door with the key. Once they open it, Jerry is standing there pointing his gun at them. He forces them back inside.
On stage, Jerry and Biff sit talking. Jerry asks where the girl is. Biff says she's not there, she canceled. Jerry knows he's lying. It's been confirmed, but Jerry's phone is dead and he can't get the picture. Biff asks why her and Jerry says her father is an ambassador who made some rich enemies. Biff says he's not going to kill anyone. Jerry says that's why he's here. Biff says he won't identify her. Blaine and Ted join them and Biff tells them Jerry is behind the whole plan.
Jerry points the gun at various people, trying to find his target. He knows she's Black, but doesn't know more than that. Ayofemi surprises him, she's the target, but she has the knife and buries it in his arm. He drops the gun, Blaine kicks it away and Baratunde grabs it.
At Northside Nachos, Shaun and Tony wake up from a nap and see what's going on. They start a fire to burn the place down. Everyone makes their way outside, the nametaggers making sure no one gets left behind or hurt any further. Joey and Michelle return with police and EMS. Police arrest the Brothers Dim and Jerry, but Tony and Shaun are long gone. Michelle and Joey make out. Next to them Justin and Hailey make out. Jada and Kimmy hug.
In Jada's bedroom, she and Kimmy record a podcast wrapping up their adventure and speculating about the futures of all the participants. The credits roll.