Caseli, a young writer and teacher, creates in his imagination characters who would frequent a motel, the subject of the book he is writing. He and Dilma, his student, decide to spend a night in a motel in Rio, where eight couples meet: - Fábio, visual artist and Stefânia, fashion editor of a magazine; - Ferraz, flirtatious dentist and his secretary Cleonice, shy and virgin; - Vera, wife of Ferraz and Kiko, big boy from Ipanema; - Leopoldo and his wife, an elderly couple celebrating their golden anniversary; - Detective Camilo and his assistant Dorô, who try to catch Vera in the act of adultery; - Renato, on vacation from São Paulo and Cláudia, a woman he recently met in Rio; - Gustavo and Lazinha, a couple who use extravagant artifices to achieve sexual fulfillment. In the middle of the night, the corpse of an unknown man appears, and the arrival of the police determines the most diverse outcomes for those who were looking for just one night of love.

Forty-year-old Cláudio is always looking for a romantic relationship. His routine changes when he has to take care of his 12-year-old daughter: women no longer look at him and the conquest tactics have no effect.

Nilo Barrão steals a car from the telephone company and robs the mansion of Mara, the wife of an industrialist on vacation. A nymphomaniac, she demands that Nilo rapes her, but he only partially satisfies her wishes, as he prefers to plan physical violence against Paula, a transvestite who lives in the same house, with Mara's help. The arrival of a nearsighted enumerator interrupts, for a moment, the sadomasochistic game. Teresinha, Mara's adoptive niece, upon returning from school, is de-virginized, with her consent, by Nilo. Paula, suddenly transformed into a sorceress, decides to take revenge.

In Petrópolis, sex maniac Severino Barba de Bode flees the forensic asylum, leaving the city in an uproar.

A gang robs a factory in the State of Rio de Janeiro taking 500 million cruzeiros. In the shooting, several bandits and police are killed. The police manage to arrest some criminals involved in the robbery but do not recover the money. The mystery grows with the occurrence of some deaths clearly related to the robbery.

In 1594 Brazil, a frenchman becomes a prisoner of the Tupinambás. While waiting to be executed, the foreigner learns the habits of the indigenous people and joins a woman who tries to help him escape.