A teacher who is having an affair with one of his students takes her out on a boat. They see a knife killing on shore. Other gruesome murders start occurring shortly thereafter, and the teacher suspects that he may be the cause of them. Written by
Did You Know?
Mindful of the American aversion to dubbed foreign films, the production team decided that the shooting would be exclusively made in English language despite the accent of the actors. Consequently the English looping coincided so well with the lip movements of the actors that no one in the U.S. noticed the film was dubbed. See more
Referenced in Lukas: Mann und Maus