Directed by Massimo Dallamano | Starring: Camille Keaton, Fabio Testi, Karin Baal, Joachim Fuchsberger

After several Catholic school pupils are murdered, a teacher who is having an affair with one of his students becomes a suspect. When other gruesome murders start occurring shortly thereafter, the teacher suspects that he may be the cause of them.

IMDb What Have You Done t... movie posters