Directors: Rupert Julian, Lon Chaney.

Stars: Lon Chaney, Mary Philbin, Norman Kerry.

At the Opera of Paris, a mysterious phantom threatens a famous lyric singer, Carlotta and thus forces her to give up her role (Marguerite in Faust) for unknown Christine Daae. Christine meets this phantom (a masked man) in the catacombs, where he lives. What's his goal ? What's his secret ?