Aboard a Simca Chambord or a Harley Davidson motorcycle, Inspector Carlos faces all types of criminals. In his work, the Vigilante is accompanied by his faithful companion, the German Shepherd Lobo—a very smart dog—in the fight against crime. The duo's main mission is to uphold the law on São Paulo's highways.
The patrol cars receive an alert from the chief inspector and are immediately recruited for a mission: a group of gangsters has just landed in Brazil carrying a valuable gemstone stolen in the Netherlands, the "Grão Mongol Diamond." Inspector Carlos and the other officers must then hunt down the thieves. (Pilot episode)
