Pip decides she must track down the drug dealer Max told her about, so against her better judgement, she seeks out a calamity party - an infamous secret teen party, full of drugs and sex. With the help of Cara and Lauren, Pip works out the next calamity party is the following weekend in the woods. Ravi is sceptical about Pip's plan, but she's determined to see it through and attend the party with Cara and Lauren.

Pip discovers more than she bargained for and faces dark consequences when she tries to confront the killer. Just when it seems all is lost, the terrible truth is revealed.