A man kills his wife on their wedding night, after discovering she had been unfaithful. After being acquitted, he moves to the country, where he becomes part of a love triangle.

Three couples, two already living in Rio; and the third, with 'the one who hates carnival', coming to visit an aunt. One of the women bets that all husbands are unfaithful. They send invitations to their husbands to the carnival ball. They find a pretext to be able to attend. They, in turn, go in disguise, just like the maid. Hence the confusion at the ball, each one dating the other's wife.

Carmen, a poor and beautiful woman, lives in a shantytown in Rio de Janeiro. All men desire her, including her stepfather, but she only has eyes for her boyfriend, Milton. After being expelled from home, she finds out her lover is married. Unhappy with her life, she finds a place in a boarding house and tries to find a job, with no success. Tired and starving, she ends up passing out in the street, being helped by a passer-by, who leaves her at writer Flávio Martins's house, a man torn between the proposal of an arranged marriage, an old flame, and the new guest.

Lelita, a rich young lady, is courted by Paulo, her cousin, but she starts to believe that he is also having an affair with her sister.

The story of an island populated by the weirdest people in the world, where nobody has a job. Pinduca, a Fakir, arrives to the island and becomes a magician, but also begins to lose his sanity.