The Syndicate of Brazilian Thieves tries to steal the world's greatest diamond, owned by the international star Iraya, who comes to spend the carnival in Rio. Interpol kicks in.
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.
A gang, leaded by the unknown and mysterious Anjo, robs a jewelry and schedules a meeting in the Copacabana Palace Hotel, in Copacabana. The identification would be through a cigarette case with an angel, and the password "- Is everything all right?" Meanwhile, the director Ricardo is preparing a show for the carnival in the hotel with Marina, and they love each other. The janitor Serafim receives a letter from his unknown American brother, who will come to Rio to spend the carnival and meet him, and asks Eliana for a chance in the show, since his brother believes he is an artist. When Ricardo finds the cigarette case lost by Anjo in the entrance of the hotel, he is misidentified by the thieves, and this is the beginning of lots of confusion and fun.
Professor Leônidas Jau is an enemy of football, and in conferences and articles he throws all his hatred against the sport. Friendenreich, his son, however, loves the sport. Leonidas then has a falling out with his son, which may be saved.
A man in charge of a publicity campaign for bananas decides to kidnap the Queen of 'Bananaland', a tropical island paradise, and take her to Rio, where she falls in love with a member of Carmen Miranda's backing ensemble, 'Bando da Lua'.
A man is looking for a radio singer named "Dulcineia." For this, he goes through the biggest hassles and problems. The plot, in fact, is an excuse for the exhibition of the musical numbers of the greatest Brazilian Radio artists.
Comical late 1920s Brazilian daily life's situations, portrayed by two friends who decide to serenade a common girlfriend, a drunk barber and a bad haircut, and a man who is barred from playing his songs at the hotel where he was staying.
