Episode 1
Matthew Taylor, a 16-year-old school boy was brutally murdered in the quiet Lake District. Five years later the accused is found not guilty and released from prison, but who did kill him?
Episode 2
As Sally begins a confident return to work, the police question Anna Stamp - what is she hiding, and more importantly what are Matthew’s parents covering up? Karen grows increasingly paranoid over Sally and Sam.
Episode 3
As Sally and Sam grow closer, the police investigation turns to Gary Walker, but what is his connection? Meanwhile, Bethany's link to Matthew comes to light as Karen admits a damning secret.
Episode 4
With Karen still in police custody, Bethany takes matters into her own hands - making a crucial discovery and forcing a confession. Braithwaite and his team continue their search for more evidence. Sam and Sally come to a decision.
