Juan Carlos, a businessman, falls in love with a woman much younger than him, and ends up marrying her. Juan Carlos' mother-in-law, following an incident with him, tells him a fabricated story: that the father of her daughter is a stranger, with whom she had sex in the car of a train. Coincidentally, this situation had happened to Juan Carlos many years ago, and now, with the doubts that his wife is his daughter, he does not even want to approach her on his wedding night.

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).

An influential mob boss and a cabaret star team up to increase his power.

A former Triple A (Argentine anti-communist alliance) is abandoned by his former colleagues after the Argentine dictatorship falls, in the course of his solitude he slowly becomes more insane and falls further into dementia, at the same time as one of the parents of the many children that he murdered and tortured during the dictatorship persecute him for revenge.

A former German soldier leads a team through a bank robbery that doesn't turn out the way anybody expected.

In Buenos Aires, Argentina, Isidoro Vidal and his friends, who are in the transition between maturity and old age, watch in stupefaction and helplessness as gangs of extremely violent young men roam the streets murdering elderly people with absolute impunity.

Three orphaned brothers and an elderly inventor, who live in the countryside, become acquainted with a young governess and her uncle, who live in a large estate nearby.

The film narrates events of the Revolution of the Park, carried out by radical sympathizers on July 26, 1890. There is a secondary plot with the romance of a girl who, despite being in love with her father's godson, must contract a marriage with a banker that fails.

One of Carlos Gardel's singing short films.

The dilemma of a young woman between the old man who protects her and the boy who loves her.