A man is kidnapped when he is mistaken for another and his wife tries to collect a large life insurance but he reappears alive.

Catrasca (Jorge Porcel) is a man who works in a restaurant and in his spare time helps in a children's home. His problem is that he carries a family tradition that makes him cause catastrophes in his path, one of which takes his boss (Adolfo García Grau) to the hospital. Upon leaving the hospital, Catrasca is run over by Graciela (Graciela Alfano), the daughter of Professor Galíndez (Osvaldo Terranova). This is how he meets this professor, who has a formula that says he will be the salvation of humanity, so he is the object of persecutions by villains such as Dr. Linda Winters (Moria Casán).

Two orderlies pretend to be surgeons to impress two young doctors and conquer, through several scenarios. Finally, they are discovered when they had to operate on a mafia boss to remove a bullet.

A boxer's dream of fighting in the Luna Park stadium and the interests surrounding this sport.

The National Gendarmerie combats arms smuggling in Alto Paraná.

Alberto and Jorge are employees of a pharmacy. One day, by mistake, they give a client a bottle of poison in exchange for a medication that she had to start ingesting 48 hours later. Realizing this, they decide to go out and look for her with the only data they have: her first name, her striking clothing, and that she was driving an imported motorcycle. So they launch into a crazy race against time touring the fashionable places of the Buenos Aires night, helped by a woman who claims to know the mysterious girl on the motorcycle.

When listening to a melody, an old man recalls moments of his childhood.

A woman feels abandoned by her husband and children.

A parapolice force within Peronism is dedicated to reducing and extorting all kinds of opponents, among whom a few rise up to denounce what is happening. Although the film has propaganda purposes that deliberately ignore part of reality, it is based on documented cases, such as those of the student Ernesto Mario Bravo or the trade union leader Cipriano Reyes.

A group of youngsters, encouraged by their teacher, starts with guerrilla actions.