Psychologist Kit Quinn is a young woman doing a dangerous job. She inhabits a world of gruesome crime scenes, tense interrogations and violent insanity. On returning to work after a brutal attack, she is asked by the police to advise them on an apparently simple murder inquiry. The body of a young woman has been found by a London canal. The prime suspect is the man who attacked and scarred Kit.
Despite the insistence of the police, Kit refuses to accept the obvious answer and finds other crimes, other victims. Her obsessive search for the link between the cases leads her into the world of young street-people - the missing, the unloved; those who try to save them and those who prey on them. Into the blood-dark heart of her own fears. Into the Red Room, and danger . . .