All six episodes from the fourth season of the British crime drama set in Morecambe and starring Marsha Thomason as Detective Sergeant Jenn Townsend. When an arson attack shatters a family, Jenn and the team uncover a series of secrets and lies during their investigation. Meanwhile, while working to solve the case, DI Tony Manning (Daniel Ryan) considers his future and Jenn has to deal with trouble closer to home.