Jim Warren, a crook, is married to Norma, but there was a flaw in their marriage papers and he must marry her again to protect their unborn child. He returns home and gives her some money but it has been stolen and she is sent to jail as an accomplice. To get her out, he is forced to marry another woman and Norma, thinking Jim has deserted her marries Phil Powers, and gives birth to Jim's daughter. Years later, Jim meets his daughter in the midst of a blackmail scheme against Norma over her earlier imprisonment. The daughter shoots the blackmailer, and Jim takes the blame.

The deformed Phantom who haunts the Paris Opera House causes murder and mayhem in an attempt to make the woman he loves a star.