A photojournalist, L.B. "Jeff" Jefferies, is stuck in his apartment with a broken leg and passes the time watching his neighbors. He becomes convinced that one of them, Lars Thorwald, has murdered his wife.
Beneath a 19th century opera house is a horribly disfigured man known as The Phantom. He eventually finds himself smitten by a stunning vocalist, and creates elaborate schemes in order to help her succeed…
