A man in monk's robes is butchering women to cleanse the world of witches. And Sgt. Joe Ryker's committing every sin in the book to cleanse New York of killers.Beneath the wealth, the squalor and the hustle of Manhattan, a string of sickening murders has opened the door on a secret world of pagan worship and bizarre sex. Joe Ryker is going underground. He's got to find The Hammer of God and stop him--any way he can.