When a body is discovered bearing a bloody X carved into its back, DI Tom Thorne recognizes the signature of a ruthless hired killer at work. The fourth instalment in Mark Billingham's crime series plunges into a brutal gang conflict gripping north London, where organized crime boss Billy Ryan's territorial ambitions spark a violent vendetta. As bodies pile up and the investigation intensifies, Thorne must navigate the treacherous underworld to stop the bloodshed before it claims another victim.
