A detective is hired by a woman to investigate her husband whom she believes is being blackmailed.
| Actor | Role |
|---|---|
 Hélcio HenriquesAlonzo Montana | Alonzo Montana |
| TTon CrivelaroNot listed | Not listed |
| CCláudia MenezesLaura Fraus | Laura Fraus |
 Sérgio VergílioDomingo de Soto | Domingo de Soto |