The Rock looks like it's ready to crumble when Kaylie's dad takes over as coach. Then in walk the last people anyone ever expected to see: Lauren and her father. They've come with a proposition, and they're not alone. sasha Beloff, the world's greatest and most reclusive gymnastics coach, is with them -- and he's agreed to be The Rock's head coach as long as Lauren, Kaylie, and Payson are on the team.
After some bickering among the parents, everyone agrees that hiring Sasha is The Rock's best shot at beating the competition at Nationals. But it's not going to be easy. Sasha warns the gymnasts that they're going to have to train harder and longer than they ever have in their lives. Payson's thrilled. Finally! Someone whose intensity surpasses her own! Emily's in awe. And Kaylie seriously needs to blow off some steam.
With her dad ratcheting up the pressure and Carter insisting on more alone time, Kaylie jumps at the chance to go to party -- her first real high school bash. Emily and Payson go along for the ride, and soon they're in over their heads.
Emily runs into Razor but, just when they're beginning to really hit it off, Razor gets the wrong idea and thinks Emily's ashamed to be seen with him. Later, Leo shows up to drive the girls home, and when he and Emily are alone together, the attraction is strong. But what about Emily's feeling for Razor?
After Kaylie drinks too much, her fun, carefree night comes to a crashing halt. Carter arrives, and they end up breaking up because she lied to him about not being able to go out.
Meanwhile, Lauren celebrates her birthday for the first time without her best friends. She tries to pretend it's OK, but when Summer shows up, Lauren loses it and walks out. she goes to the high school party, where she finds Carter. They cry on each other's shoulders... then one thing leads to another, and they end up in bed together. Carter makes a hasty retreat, and Lauren looks like she's about to cry, when she hears a phone ring and realizes Carter's left his behind. Lauren picks it up and sees a text from Kaylie to Carter: "I'm sorry we fought. I love you."
Now that Lauren knows the truth about Kaylie and Carter, will she sabotage her friend for good? Or will she be too afraid to let everyone know what happened between her and Carter.