The murder of a priest puts Hammer on the trail of a serial killer murdering prostitutes. Spoilers Faith, a prostitute, is murdered. After a priest, Father Dressler, asks Hammer to protect ladies of the evening, he is murdered. Faith's body is found with a wooden cross and a red wig. The killer next murders Rosie. Suspects include Father James, the handyman Ozzie, construction executive Jason Carter and Slick, a pimp. Slick is murdered to draw Hammer into a trap. The killer tracks down and kills Angel, who saw him pick up Rosie. Finally, Candy, a prostitute and friend of the murdered girls, offers to be bait to draw out the killer but things go awry and Hammer races to find her before the killer adds her to his list of victims.