When her boss DCI James Langton is horrifically injured, DI Anna Travis plays a major part in his rehabilitation. Langton was working to solve the murder of a young prostitute, the suspect an illegal immigrant. Anna is working on another murder case and gains enough evidence to send the killer down for twelve years. Two separate cases...which become unexpectedly linked. Anna finds herself under threat from Langton's assailant. In fear of their lives, she and her boss, still nursing his terrible injuries, embark on a terrifying journey, one with frightening, violent consequences.