Based on the stage musical. The Phantom of the Opera tells the story of a disfigured musical genius (Gerard Butler) who haunts the catacombs beneath the Paris Opera, waging a reign of terror over its occupants. When he falls fatally in love with the lovely Christine (Emmy Rossum), the Phantom devotes himself to creating a new star for the Opera, exerting a strange sense of control over the young soprano as he nurtures her extraordinary talents.