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.
Fabio Testi
as Enrico Rosseni
Karin Baal
as Herta Rosseni
Cristina Galbó
as Elizabeth Seccles (as Christine Galbo)
Joachim Fuchsberger
as Inspector Barth
Günther Stoll
as Professor Bascombe
Claudia Butenuth
as Brenda Pilchard
Camille Keaton
as Solange Beauregard
Maria Monti
as Mrs. Erickson
Giancarlo Badessi
as Mr. Erickson
Pilar Castel
as Janet Bryant
Giovanna Di Bernardo
as Helen Edmonds
Vittorio Fanfoni
as Enrico's Landlord
