Pip decides to do her project on a local murder case. But when she starts her investigation, she learns some people would rather it was left in the past.
Andie's best friends give Pip a clearer understanding of who the victim was — but it takes rearranging some old photos for her to see the full picture.
Good girl Pip gets her first taste of the dark side at an illicit rave — and her next clue leads her into even more dangerous territory.
Pip and Ravi follow a new lead that takes them out of Little Kilton. There, they uncover a useful clue — and Pip gets an unwelcome surprise.
A shock confession sheds new light on the investigation. But before Pip can decide what to do next, she receives another threatening message.
The police make an arrest — but Pip isn't convinced the case is quite closed yet, so she goes to visit the one person who might have the answers.