The gang tries to rescue Jenny from the retirement home, but when Atticus' disgruntled minion Bob uses the book to create a feast that makes everyone who eats it hungrier, they're forced to fight an army of seniors hungry for human flesh.
When cheerleaders start disappearing from the school hallways, leaving only their shredded uniforms behind, the gang becomes convinced that they've been eaten by a mysterious creature called The Beast.
The Phantom of Crowley High returns and switches roles with Hannah to get Curtis back. The three dudes realize that Todd must lose his virginity to become the Pure Evil One. Atticus comes to terms with his past. And nobody can stop singing.
Atticus takes the book and brainwashes the students of Crowley High to do his bidding, forcing a showdown with Todd at the semi-formal. Secrets are revealed, romances blossom and tragedy strikes, threatening to tear apart the gang for good.