For a group of college-aged girls who "hang out" with creepy businessmen old enough to be their fathers, it's all fun and games until one girl ends up dead, leaving her shocked friend to solve the mystery.
Gunnar Lindmark is a professor of psychology, while his wife Meret find here a reminiscent of an old extramarital love, ceased because of her lover's death. This crisis triggers jealousy of the professor who kills the Italian guy.
Louis Trevelyan's refusal to trust his wife, Emily, destroys their marriage.