Xavier, a pharmacist, lives peacefully in bigamy with his two women, Carmen and Beatriz, but the harmony breaks down when they find he has another lover, Monique, a nightclub dancer.

After a chance encounter on the elevator, the lives of Mary Ann, a widowed English teacher, and Pedro, a recently divorced man, intersect against the hot backdrop of Rio de Janeiro.

Paulo is a middle-class playboy who reluctantly gets involved in a terrorist conspiracy and ends up exiled with the engaged Letícia in an embassy, after a guerrilla camp is discovered by the police and two of them, Sócrates and Mário, fall into shrapnells. Luís and Márcia, a rich couple, spend their time looking for different emotions. They get smet with a couple of lesbians, Márcia flirts with one of them, provoking the jealousy of the other, Susana.

In the underworld of the city of São Paulo, there is a real business that is making money for a lot of people: fights. The small wrestling clubs attract many rich men who want to bet their fortunes on illegal disputes between poor men, who have to fight to survive and earn a few bucks.

A mother struggles trying to avoid her son of becoming insane like his deceased father, but maybe it's already too late.