Renato has fallen in love with his neighbor Marta, but their families don't get along. To try to solve the problem, each one takes their own family to a picnic in Paquetá, where everyone will have to interact.

Taxi driver gets in a jam when he receives a lot of money as inheritance from a distant family member when in fact, the money came from a bank robbery.

Januário is a con man who, with the help of his equally con-artist friends, stays at the luxurious Hotel Palácio, posing as a rich cocoa farmer in order to rob and deceive tourists. Ananásia is a widow who also becomes a guest at the same hotel, with almost the same plan: to pretend to be a millionaire in order to marry some wealthy "old man". Januário and Ananásia immediately begin dating. However, their lies about their wealth make them targets of international jewel thieves who were among the guests.