Season 4

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.