PC Eddie Carter attends to a teenage girl who is knocked down and killed by a car speeding from the scene of a jewelery robbery. Carter is preparing to take the getaway driver to the station to make a statement when he is shot and killed. DCI Janice Lewis and her team investigate.

A three-year-old boy has been missing for a week when a child's body is found. The boy's family comes under suspicion, but DNA tests establish that the body is not that of the missing boy.

Alan Hickson strangles his wife, Paula, with a dog chain after she drowns his dog in the garden pond, and is sentenced to three years in prison. He is released after having only served 18 months, but he is soon found dead - having been strangled with a dog chain.

A diver discovers the remains of a career criminal reported missing two years earlier. A group of friends who used to fish together in the same area have been dying in suspicious circumstances.

A talented young footballer is found stabbed to death after celebrating his nineteenth birthday. DCI Lewis and the team consider whether the attack was motivated by racial hatred, jealousy or revenge.

A popular G.P. is shot dead and one of his younger colleagues disappears. The murder is linked to a series of thefts from surgeries, but investigations into the dead man's personal life reveal a number of motives for murder.

A sergeant is found brutally assaulted and murdered at an army barracks. The team is called in to investigate, and uncover resentments and inappropriate relationships at the camp. Janice, meanwhile, is charmed by a major with the Special Investigation Branch.