D.C.I. Jane Tennison is a skilled, top-class detective, battling to prove herself in a male world. While investigating a murder, her strength of character and skills as a detective are put to the test as she exposes a cover-up within the force. And when a second murder victim is discovered, the inquiry turns into a grisly investigation stretching back over ten years.A female police detective investigates a series of serial murders while dealing with sexist hostility from her male comrades.