How do you solve a crime when there's no evidence one has been committed? When Sarah Kelly fails to return from a night out, DI Mike Nash can only speculate, until a chance remark causes him to look deeper into other cases; girls who have vanished without trace. Nash spots chilling similarities: no bodies, no witnesses, all disappearances explained away. While investigating seemingly unconnected crimes, Nash strives to come to grips with the psyche of a most unusual serial killer. He needs to find a solution and fast as two more women vanish, making it personal and potentially fatal; both for Nash and for the women who have been chosen...