A pampered girl decides to marry in a different way: buying a husband.

Badly advised by a high-class friend (who covets her husband) and by her scatterbrained father (always preoccupied with making cocktails), singer Noêmia forces her husband to abandon suburban life for the noisy 'big life' of Copacabana.

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.

Luizinho is a young man passionate about Flamengo, fortunate enough to have his education paid for by the club, and plays in the team's lower divisions. A pupil of Rubens, the two compete for a spot on the professional team. Until Rubens introduces his friend to the woman he's in love with, Maria Helena. The problem is that she was Luizinho's childhood sweetheart, and the encounter rekindles their passion. A conflict begins between the two players that will be decided on the field.

In a small town in the countryside, the population is excited about the imminent arrival of a circus that brings excitement to the peaceful life of the city.

Returning from a pleasant horseback ride, two lovers on their way home contemplate each other, entranced by the modesty inherent in the rigid customs they were raised in. The hero feels an irrepressible desire to come to Rio. In the capital, interested in a theater star, he heads to Buenos Aires to win her heart.