New Series: TVNZ 1's tense new British thriller follows Detective Sergeant Nancy Devlin, who is living a secret double life.
Nancy seeks an ally but cannot confide in Hayley for fear of putting them both in danger. A police appeal for the missing witness puts Nancy in the spotlight.
Nancy finds Theo Kettler's missing car, a vital piece of evidence which gives DCI Newman a breakthrough but places herself in even greater danger.
In a reckless bid to accelerate the investigation and turn the tables on the man who may be hunting her, Nancy proposes a risky undercover operation.
Season Finale: Nancy's personal and professional lives collide when the full extent of Frank's monstrous crimes becomes clear.