Manny plans to ruin her debutante ball by bringing an awful date to the party. Jimmy discovers Ashley's betrayal.

Darcy is frustrated with her friends and family trying to help her get back to her old life. She wants to be sexual and turns to Mr. Simpson after Peter rejected her. Mr. Simpson tries to get Darcy to tell Mrs. Hatzilakos and her mother what really happened. She's still not ready to reveal the truth and instead lies and says that Mr. Simpson has been touching her inappropriately. Mr. Simpson gets suspended and Emma chews Darcy out for get her step-father in trouble. Darcy does the only thing that she can do, in her mind, and takes Johnny DeMarco to the roof and tries to seduce him. Manny and Peter stop her and she confesses that Mr. Simpson never did anything. Meanwhile, Jimmy falls for Trina, his therapy buddy, much to Ashley's heartbroken dismay.

Jimmy is encouraged by the prospect of experimental stem-cell surgery that he believes could help him regain the ability to walk. Meanwhile, Peter starts a band with Sav and Danny, but they need to recruit a drummer.

It is prom night -- followed by graduation day -- for Emma, Manny, Liberty, Spinner, Jimmy, and Damian. Meanwhile Peter learns that his mom is moving to Saskatchewan.

Spinner starts to breakdown when he doesn't get into college as planned. Clare has to decide between KC and Conner when both guys ask her to the school dance. Kelly and Emma's flirtation finally leads to an actual date.

Desperate to win Jane back, Spinner sneaks into the Leadership Convention Jane is speaking at and proposes. When Jane turns him down, Spinner breaks up with her - nothing he does is ever good enough.