Lon Chaney stars as the Phantom, in what is probably his most famous and certainly his most horrifying role. The story concerns a much-feared fiend who haunts the Paris Opera House. Lurking around the dank passages deep in the cellars of the theater, he secretly coaches soprano understudy Christine Daae (Mary Philbin) to be an opera star and ‘arranges’ for the lead singer to drop out of the production.