A baffling series of incidents at the majestic Paris Opera sparks frightening rumors about a mysterious opera ghost. Performers are ill-at-ease when they sit alone in their dressing rooms, alleging to have seen the enigma in evening clothes moving about in the shadows. Then a young and beautiful prima donna is visited by a masked "Angel of Music" who teaches her to sing and jealously demands her devotion— but with a price. With an increasing pattern of fear and violence, the phantom of the opera begins to strike, but always with a beautiful young performer at the center of his deadly desires. Is he a man, an angel, or a ghost? And what does his mask conceal?
