"Brooding, melancholy Thorne heads a team of detectives who are alerted to the death of a young mother brutally strangled as her three-year-old son looks on. The body of a second murder victim, strangled in the same manner, turns up the same day, and Thorn and his team surmise they have a serial killer on their hands. The first half of the book deals with Thorne's discovery that there are really two killers at work and introduces the childhood backstory of the murderers. The second half picks up speed as the actual hunt commences. Billingham is adept at creating believable characters with ordinary and not-so-ordinary personal problems, then weaving them into the plot in surprising ways." - product description.