In Buenos Aires, Frederico hides in a ship going to Rio de Janeiro to travel for free. But Azulão, 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.

• Atlântida Cinematográfica
• Oscarito
• Grande Otelo
• Anselmo Duarte
• Eliana
• José Lewgoy
• Ivon Cury
• Grijó Sobrinho
• Emilinha Borba