"Portraits and excerpts from Brazilian films from all times. Actors, directors and images that affirm cinema."

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.

A succession of modern songs, from Iê-iê-iê to Bossa Nova, mix with the record of the tastes and customs of the youth of the time.

A woman impressed by news reports about flying saucers, gets hit on the head by a vase, passes out and dreams that she is the 'Queen of Mars', from where she sends an expedition to Earth in order to bring back Rio's Carnaval to the planet.