The youngest daughter of a rich man has been raped by five black men in the slums of Rio de Janeiro, and her father arranges her marriage to one of his employees in order to save the family’s honor.
Recently turned into a widow, Alice goes to the country to think about her life. There, she's courted by Luis Carlos but falls in love with Marta. However, Jumbo, a horse, also arouses strange feelings in her mind.
From Friday night 'til Sunday morning, the doors of a new world open inside a nightclub in the South Zone of Rio de Janeiro. We watch the emotions and conflicts experienced by a series of characters, who find on the dance floor the ideal stage to represent the tragedy of their lives.
A family leaves a small town in the state of São Paulo to move to Rio de Janeiro when the father gets a job promotion there. In Rio, everyone of them will fall prey to the city's sinful ways.