Detective Gary discovers that his wife is having an affair. Despondent, he drinks and discusses his problem with friend Dan, a police detective. When someone in a copper mask begins slaughtering people connected to Gary's life, Dan begins suspecting Gary, whose cousin Mike had a similar slip of the gears. Dan discusses the case with eminent psychiatrist Dr. Siedow, who has a few sexually slipped gears of his own. Together they try to stop the fiend before more people are killed.

The path of Saul the angry zealot to Paul the servant of Christ, who will pay any price to bring his message to the world.