Jonas, the protagonist played by Rainer Cadete, is a policeman who is forced to assume the guise of a gambler, using his talents for gambling and goes through nonsense situations ahead of operations that aim to unseat the illicit scheme.

Police officer Jonas heads an operation that aims to close a gambling run by a mobster. However, when circumstances force him to enter the game table, he discovers a natural talent with the cards and, as the games progress, the plan to evacuate the place gains advents that include loan sharks, sadomasochists and robbers.