Teenager Pip Fitz-Amobi investigates the disappearance five years ago of Andie Bell, who people believe was murdered by her boyfriend Sal Singh, and is determined to prove otherwise.

Now a team, Pip and Ravi turn their attention to Andie's best friends and find out Andie had a secret life that Sal was unhappy about. Meanwhile, Pip receives an anonymous warning.

Pip decides she must track down the drug dealer Max told her about, so against her better judgement, she seeks out an infamous teen party. With the help of Cara and Lauren, Pip works out the next party is the following weekend in the woods.

Pip uncovers more than she expected and faces dire consequences when confronting the killer. As hope fades, the terrible truth emerges.

Pip faces the repercussions of solving the case but senses something is amiss. She puts herself in danger again to uncover the whole truth.