A grim police detective embarks on a one-man crusade to track down a depraved sex maniac when a nightclub deejay receives a disturbing series of obscene phone calls. Finding himself getting far too close to the victim for comfort, the hard-boiled cop must track down the unbalanced pervert before he can carry out his sick threats...

Jesus Franco directs and stars in this cut-copy-and-paste-version of one of his own movies. Here, he plays a mad priest going around killing sinful people in the name of God, all while trying to get a book published.