The toughest private eye in mystery fiction is back.It's the middle of the Swinging Sixties and Hammer's just got over a near fatal mix-up with the Mob. But then he walks straight into an assault by drug dealers on a young motorbike messenger. He saves the kid, but the muggers are not so lucky. The Mob and a new young breed of drug trafficker assume Hammer will target them. So they target him right back. Hammer and his beautiful, deadly partner Velda take on the drug racket in New York, flitting through flashy discos, swanky bachelor pads and the occasional dark alley with their trademark brand of violent vengeance.