On a romantic boat ride in the middle of the day, Professor Henry Rossini (Fabio Testi) and his secret student lover Elizabeth (Christine Galbo) witness what they believe to be a murder perpetrated by someone dressed as a priest. Unsure at first, the couple’s worst fears are confirmed when one of Elizabeth’s classmates turns up dead. As more bodies start turning up, Henry finds that he is the prime suspect, forcing he and Elizabeth to hunt down the killer themselves. Also stars Karin Baal. And with Camille Keaton. Cinematography by Joe D’Amato. (Uncut).