Max Wolfe is back-the two-fisted homicide detective with a small daughter and dog waiting for him at home and a crazed serial killer waiting for him somewhere out in the pitiless London streets.

On New Year's Day, a wealthy family is found slaughtered inside their exclusive gated community, their youngest child stolen away. The murder weapon-a gun used to stun cattle before they are butchered-leads Max to a dusty corner of Scotland Yard's Black Museum devoted to a mass murderer who, 30 years ago, was known as The Slaughter Man. But The Slaughter Man has done his time and is now old...