DI Will Wagstaffe is called to investigate a gruesome murder, but they soon learn that the victim was arrested two and a half years ago on suspicion of sexually assaulting his young step daughters.

Cast: Tom Riley, Mark Fleischmann, Anjli Mohindra, Tom Brooke, Kobna Holdbrook-Smith, Janet Kumah, Grant Burgin, Charlotte Riley, Joseph Teague, Nicholas Asbury, Jack Glossop, Lily May, Simone Kirby, Edward Akrout, Jasmine Jobson