When DI Vera Stanhope finds the body of a woman in the sauna of her gym, she wonders briefly if she`s uncovered a death from natural causes. But a closer inspection reveals ligature marks around the victim`s throat. Vera pulls her team together to interview staff and those connected to the victim. She and colleague, Sergeant Ashworth, work to find a motive. When they discover that the victim had worked in social services, and had been involved in a shocking case involving a young child, it appears obvious that the two are connected. Though things are never as they seem.