Cantinflas is a private in the military, who doesn't know anything about discipline or following rules. He only wants to think about his girlfriend, the maid in an opulent hacienda. The owner of the hacienda has an ugly and shy daughter, who is in love with Cantinflas. The problems arrive when the family arranges a wedding between the ugly girl and Cantinflas, who in order to avoid the commitment gets himself arrested. During his punishment, Cantinflas learns to fly with a silly and poorly trained flight instructor.

Mario Moreno portrays a professor in this movie. A small town in the middle of no where requests the school Mario Moreno is working in for a teacher. He ends up going to give the town a hand. When he arrives he comes to know the corrupt leaders who through out the movie try to make him leave. Although he is being harassed you can see how much he cares for the kids and their circumstances. He deals with problems by using his hilarious comments.

Inocencio Prieto y Calvo receives a letter telling him he is the heir to his uncle's fortune of two million pesos. Not being able to read he has no idea of who sent the letter or its content. So he goes to the drugstore because the pharmacist can read the letter to him. But while waiting to be helped he sees that a young girl can read. He figures he has to be able to discover the letter's content by himself and decides he will save the letter and go to school, and wait to read the letter on his own.

A cheerful sweeper collects garbage dancing, and the maids of the neighborhood get jealous because he invites another woman out.

In this highly regarded Mexican war film, peasant Demetrio Macias leads a band of outlaws in a revolt against the Federales during the Mexican Revolution.