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.

• Cinedistri
• Ankito
• Maria Vidal
• Nancy Wanderley
• Aurélio Teixeira
• Pituca
• Humberto Catalano
• Darcy Coria
• Francisco Dantas