Former police officer Robert and his wife Katy left city life behind them after Robert was injured, whilst trying to protect a witness in his care. The witness, Susan Reynolds was fatally shot. Robert has been struggling with the guilt he feels over the death of Susan. In a bid to put the past behind them, Robert and Katy now run a guest house, hidden away in the idyllic Lake District. A surprise visitor turns up, DCI Mark Maxwell, an ex-colleague and old friend. He suggests that the guest house is perfectly positioned to operate as a safe house, Robert is tempted but will Katy agree?
Episode 1
Ex-cop Robert and his wife turn their remote Lake District guest house into a safe house. As a family under threat arrive, Robert tries to work out why they are a target.
Episode 2
The family at the Lake District safe house come under pressure as their cover story is tested. There is increasing concern for eldest son Sam.
Episode 3
While the police believe they are closing in on the man hunting David Blackwell and his family, Katy still has her doubts about Robert's methods and questions him further.
Episode 4
Sam and Joe head off across the lake and find themselves caught up in a terrifying ordeal. When events dramatically spiral, it has serious consequences for the family and Robert.