A woman is being watched in her apartment by a stranger, who also calls and torments her. A cat-and-mouse game begins.
- John Carpenter
- Warner Bros. Television
The TV director Leigh Michaels moves from New York to the fancy apartment building Arkham Tower in Los Angeles to forget a relationship. She is hired by a local television and befriends the lesbian assistant Sophie. Then she dates the philosophy professor Paul Winkless and starts a relationship with him. Leigh is a woman that likes to joke and out of the blue she receives gifts and strange phone calls. Soon she realizes that a stranger is stalking her driving her mad with phone calls, gifts and letters. Leigh and Paul decide to go to the police but the police inspector tells that he cannot do anything to help her. Leigh decides to investigate the opposite tower block, she witness the stranger killing Sophie. She calls the police but no one but Paul believes her. What can she do?