The project of urbanization of a shantytown is endangered by lack of money. To get the necessary sum, three friars start to sing in plain clothes, incognito, also recording records and doing shows in nightclubs.
Somebody is selling songs for two recording companies, simultaneously. The owner of one of them hires a detective to find out the swindler's identity. But the private-eye is clumsy, and messes things up even more.
Madame Janete is an aging music hall star who insists on doing roles far beneath her real age, and whose secretary keeps her fans in a payroll. One day she meets young author Paulo and falls for him; but he is in love and engaged to ballerina Vilma, and misunderstandings abound.
The boss of Gilberto, an exemplary employee, wants to marry him with his daughter, Elisabeth. But her cousin, an unattractive girl, appears to meet him. Gilberto, who leads a hectic life, knows Betty, independent girl by whom one falls in love. In the end, she discovers that she is the boss's daughter.
A man who's memorized his town's telephone directory tries his luck on a TV Show. But a small group of people who control the bettings in town try to get advantage of his simple-mindedness.