A detective returns to work after sustaining a near-fatal bullet wound, and begins an investigation to uncover the identity of the person responsible for killing a notorious drug baron.
Prime Suspect 1973 tells the story of 22-year-old Jane Tennison's first days in the police force, in which she endured flagrant sexism before being thrown in at the deep end with a murder enquiry.
London Metropolitan police detective Colin Sutton tracks down a serial killer. The series is a dramatization of the real-life murder of a French woman in London in 2004, and is based on the police detective's notes, which adds an air of realism to the procedural elements of the series.
DC Anna Travis joins a team on the hunt for a particularly gruesome serial killer. When the latest victim is found and doesn't fit the usual profile of the killer's victims, Travis sets out to prove herself.