Brutal murders take set during the new production of "Marilia De Dirceu" at the Theatro Municipal in Rio De Janeiro. When Cristina Andreatti, daughter of famous Brazilian musician - Gastão Andreatti, takes the lead role, replacing La Carlota Alencastro, Cristina falls on the hands of a mysterious masked man who claims to be Alfredo do Vale, a musician who was killed in a brutal accident years ago.