During the inauguration of Brasília, Brazil's brand new capital city, singer and ballerina Gilda hides in a working-class night club to escape from an inconvenient millionaire who's trying to date her.
Two friends are looking for a quiet place where they can rest awhile. Soon they find the town they'd chosen to go is far from quiet. In fact, it's ruled by outlaws. And one of them is mistaken for the "Avenging Gunman", defender of the law.
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.
While trying to break an "animal game" gambling scheme, Det. Bartolomeu hits his head, and the gamblers convince him that he is one of them. But everytime he hears a whistle, he changes between gambler and policeman.
A street vendor and a servant theater, newly unemployed, accidentally swap their briefcases trinkets for one of three bandits who just rob a bank. The chase, which also involves two "rapas" only ends when, aided by a chorus girl, unwittingly participating in a musical number of the show's theater company.
Petrônio drives a bus and his friend Cabeleira is a ticket collector. When Petrônio's sister needs money to do a surgery they get involved with a film production company, where a psychopath is trying to be the protagonist of the movie.
Clementino is a postman who doesn't have much talent for the job and is six months behind in the payment of his apartment. While delivering a correspondence, he is kidnapped by a masked bandit, but manages to escape, and ends up helping the police in the capture of the whole gang, getting a lot of money as reward.
A precious necklace is stolen during a convention at Quitandinha Palace, a hotel in which a wives conference is deciding whether or not unfaithful husbands should receive the death penalty.
