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Alberto Orlando Olmedo, nicknamed El Negro, was an Argentine actor and comedian, popularly considered one of the most important capocomics in the history of the spectacle of his country, for his outstanding work in television, film and theater.
Cayetano (Jorge Porcel), a mediocre talent agent, traveling to Mar del Plata with his wife, Carola (Susana Traverso), to fix the contract Jose (Mario Sapag), representing an unknown wannabe comic number in different places. On the road they see a sign advertising that announces the latest film from actor famous erotic films, Federico Lupa (Alberto Olmedo). The praise of it cause a bitter argument between the two. Once in the city and with the excuse of having a lot of work, meets Cayetano José and together they go to the casino and how much fun with beautiful young woman crosses their path. The accident causes the car to Carola descomponérsele amid torrential rain, it Federico Lupa precisely who stop to help and take her home ...
In 1930s Argentina, dim-witted Rufino and Jacinto are hired as tough guys ("guapos") by political boss Malatesta to intimidate his opponents, rig elections, etc. However, the two men change allegiances when they meet the lovely Mercedes and La Mendocina, victims of Malatesta and his gang.
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).
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.