Returning from a business trip, a man meets some peasants who arouse fears in him.

The head of a plumbing and electrical workshop is a victim of bureaucracy in public offices and is unable to pay his debts, so his workshop is closed. With a lot of luck he manages to get a repair job in the house of a minister, then he enters to work in a ministry, also becoming a bureaucrat. Taking advantage of his friendship with the minister, he is promoted to become chief archivist, but he realizes the routine that is filling the job and resigns.

Twins (both played by Infante) are separated while very young, one raised as a singer by their widowed mother and another as the heir to one of Mexico's richest families. Their paths cross in the future, but they are unable to recognize each other due to their very different social backgrounds.

Torn between three lovers and bored by her typewriting classes, Carolina (Dillian) writes a passionate love letter to fictional Pablo Garza from Monterrey. The letter is sent by mistake and received by real Pablo Garza's girlfriend. Pablo himself (Infante) flies to Mexico City looking for an explanation. Carolina is rehearsing a musical show for her school dressed as a man. When Pablo meets her, she pretends to be her brother Anibal, a shy and feminine sailor. Pablo likes Anibal and invites "him" to a cabaret. After that, Carolina falls inlove with Pablo but resists to unveil her real self. Meanwhile, Pablo feels himself confused, because young "Anibal" is cute as an angel and has "those blue eyes..."

Father and two sons raise hell at the county fair.