A thrilling crime drama exploring the personal and professional lives of two female detectives, from award-winning writer Sally Wainwright. Detective Constable Rachel Bailey is 30, down-to-earth, noisy, argumentative and single. Her partner, Detective Constable Janet Scott, is 40, a diplomat and a thinker, as well as being a wife and mother. They both work for Manchester Metropolitan Police's prestigious Murder Investigation Team and, despite the obvious differences between them, they make a formidable team.