Enjoying a successful career in London, psychologist Alice Quentin stumbles on a murder scene that resembles the work of two imprisoned killers, a case that prompts her recruitment by police and places her life at risk. Ray and Marie Benson killed 13 women before they were caught, tried and imprisoned. Five of their victims were never found. Six years later, psychologist Alice Quentin discovers a woman's body on the waste ground at Crossbones Yard. The wounds are horrifyingly similar to the Bensons' signature style. But who would want to copy their crimes? But the body at Crossbones Yard is just the start, and the killer may already be closer than Alice knows....