When an assault victim dies, a search is on for the two attackers. But which one dealt the fatal blow?

Nicky clashes with Claire over a complex case. When Claire gets a death threat, Nicky's under pressure to find the source.

Nicky takes his family to Lindisfarne for a peaceful weekend break. But when Errol is arrested on suspicion of murder the unorthodox detective is determined to ensure local police prove his innocence.