After seven years in prison David Collins is released due to a technicality, the police now need to reopen the case in search for the murderer.
The police continue their search for the murderer of Tara Collins and there are several suspects, David tries to reconnect to his children.
The police are still unsure who their killer is, they do however find out the old police team kept secrets.
David grows closer to his children, the police still have trouble finding out who's the killer but there is more trouble on the way.
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.
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?
As Sally and Sam grow closer, the police investigation turns to Gary Walker, what is his connection? Bethany's connection to Matthew comes to light.
With Karen still in police custody, Bethany takes matters into her own hands - making a crucial discovery and forcing a confession.
