1950 film by Miguel M. Delgado

Cantinflas, on a drunken night, becomes Army soldier. Soon, he meets the Devil who tries to make it an evil being.

A gang of thieves has jeopardized the city and even the police, whose chief urges their forces to captured the band within 48 hours. Meanwhile, band members meet in a cafe run by a widow and her daughter and her suitor, Cantinflas, who maintains a scuffle with the robbers running all at the station. Since then, Cantinflas become a member of the police force for special missions.

It is the story of a sportsman who is a little bit dumber than most people but nevertheless he succeeds in getting a job at a sports article saler's. Having this job is the beginning of a lot of funny problems he causes due to his dumbness.