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.

Ankito
as Leovigildo "Coruja"

Maria Vidal
as Aurora

Nancy Wanderley
as Iolanda

Aurélio Teixeira
as Secundino

Pituca
as Terrinha

Humberto Catalano
as Tancredo

Darcy Coria
as Gilda

Francisco Dantas
as Dr.Ranulfo

Wilson Grey
as

Ângela Maria
as