A drifter lands a job as an officer in México City's elite motorcycle police unit and gets home with a mate of this unit. The mate is in love with a girl, but he and she are always making jealous to each other. The drifter and the mate get involved themselves in a fight to become the winner of conquering ladies and performing unit acrobatic tricks, interfering with their friendship and profession.
Cantinflas is a clumsy fireman, who one day receives the visit of his little goddaughter, whose mother recently died in the jungle. After having work in a few fires, Cantinflas decided to quit and become a policeman, because is less dangerous. Everything goes well until a gang of gangsters kidnap the girl, because of a monetary inheritance.
Vindictive rich girl spreads rumors about her rival being a witch. Townsfolk get all agitated.
