A well-known priest, who is running a crusade against pornography, is found dead in the room of a prostitute. She insists that he had a heart attack while she was ‘with’ him. Monahan cannot believe that Father Terrell would have betrayed his principles and wants Quincy to look very closely when he autopsies the body. Quincy finds some discrepancies and wants to do a more detailed investigation, starting with Carlo Dicassa, noted pornographer and enemy of the father.