O Fantasma da Ópera(1991)

O Fantasma da Ópera is a Brazilian thriller set at Rio de Janeiro's Theatro Municipal, where brutal murders plague a new production of "Marilia De Dirceu." When Cristina Andreatti, daughter of renowned musician Gastão Andreatti, assumes the lead role vacated by La Carlota Alencastro, she becomes entangled with a mysterious masked man. He claims to be Alfredo do Vale, a musician who died in a horrific accident years earlier. As the killings escalate, Cristina must uncover the truth behind the phantom's identity and his connection to the theatre's dark past, all while navigating the dangerous obsession that threatens her life and career.