Carlos and Suely are a normal couple. He has some extramarital adventures and she's a standard housewife. During a Carnival, when he goes out wearing a vampire costume, Suely decides to follow a friend's advice and go for it. On Ash Wednesday, he finds her with an odalisk costume on and happier than usual.
Sorry, but for now we weren't able to find movies like The Vampire of Copacabana.