航海者，谨慎前行。肆意贪欢

　　In Buenos Aires, Frederico hides in a ship going to Rio de Janeiro to travel for free. But Azulao, the cook, finds him and blackmails him into working in the kitchen. Meanwhile, Alberto, the captain, receives a radio message saying that there was a dangerous international spy on board. Things get worse when some passports are mixed-up.