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.
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).
Juan Libonatti, a seller of fine wines, like up in the company where he works. His car, a brand new Citroen, will be an essential tool to sell more wine in less time and be able to move up. But one day it is stolen and he had not paid the insurance fee. That will be the beginning of a tragedy that will lead to self-destruction.
Alberto, an employee of a car dealership, is commissioned by his boss to deliver a car that has been sold to a customer. Being a luxury car, he has no better idea than to invent an excuse to the new owner of the vehicle, delay delivery for the next day and use it to go out to have fun at night with his faithful friend Jorge. They both go to a revue theatre and, while witnessing the performance, the first vedette (Corina) faints. Then Alberto and Jorge pose as doctors, in order to meet Corina. As is to be expected, both decide to continue the deception with the passing of the days, causing the confusion to become bigger and bigger and harder to keep secret.
The National Gendarmerie combats arms smuggling in Alto Paraná.
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.