Unemployed, João is under pressure from his fiancée to look for work, since the installments of the apartment he had bought at the plant were late, So he decides to take advantage of his artistic skills and will sing in an Italian canteen in São Paulo. One day he is followed by a stranger who realizes that he has a great future in the world of sex and hires him to his brothel (where only men work). With the money he earned in this way, he reappears in the bride's house full of presents. Despite the general curiosity, he keeps his occupation secret. Thus, all the people who are part of his environment begin to follow him, trying to discover his new profession. This causes great confusion, involving the bride's family, his father-in-law's gambling partners, his mistress, and all other characters, and, after all, each one reveals a hidden guilt. Already married, he returns to sing in the canteen. His wife, in order to watch him more closely, can also work there as a management assistant.