When socialite and heiress Julie Wardh begins receiving blackmail letters attributed to a mysterious serial killer, she suspects her cruel and sadistic former lover Jean is behind them. With her husband Neil frequently out of town, she falls into the arms of her friend's cousin George, and as the unknown assassin begins to make his move, she fears that one of the three men in her life may be the killer.

A unhappily married woman tries to find happiness with a former lover, but when they witnesses crime, it leads them down a path of self-destruction

A professor and his wife suffer humiliation at the hands of an invading college dissidents protest.