A businesswoman and a corporate spy, locked in a high-rise building after dark, must outwit a murderous intruder.
Acting
Kathleen Quinlan commits to screaming in heels like it's Shakespeare.
Direction
Fred Walton squeezes genuine tension from fluorescent lighting and empty hallways.

Director
Fred Walton
Trivia, insights & behind the scenes
Director Fred Walton also made When a Stranger Calls (1979), proving he had a very specific obsession with women being terrorized in isolated locations.
This is peak 'yuppie horror'—a microgenre where upwardly mobile professionals get punished for ambition, usually by working late. The 80s really said 'lean in... to your own murder.'