Ted Boy and Renato, two clumsy mechanics from the countryside, are dating two young women who live in a luxurious mansion near their workshop. Ted Boy gets into a fight with some catch fighters, and their coach, thrilled with his performance, invites him to train. Ted Boy trains diligently and, in a dizzying career, becomes a serious contender for the ultimate title. Criminals try to buy him into losing the final fight, but when they fail, they kidnap his girlfriend and threaten him with blackmail.
| Actor | Role |
|---|---|
 Ted Boy MarinoTed | Ted |
 Renato AragãoRenato | Renato |
 AnabellaGoverness | Governess |
 Suely FrancoCousin | Cousin |
| LLeila SantosGirlfriend | Girlfriend |
| RRoberto GuilhermeLobo | Lobo |
| NNanaiNot listed | Not listed |
 Milton VilarNot listed | Not listed |
 Carlos KoppaNot listed | Not listed |
| CCarlos Alberto de Souza BarrosNot listed | Not listed |
 Antônio VictorNot listed | Not listed |
| PPedro PimentaNot listed | Not listed |
| JJoão CarlosNot listed | Not listed |