In 1965, a man named Matías is taken to a psychiatric hospital, after being found at the streets, "in the company of homosexuals and in a state of intoxication by alcohol and drugs". His documentation says he's 41 years old and born in Poland. He says his mother was an aristocrat. His arrival will have a profound impact on the institution and, especially, on one of the doctors.

A beautiful woman who lives on an island is constantly harassed by men.

Hearing the summons from an elderly man, a volunteer troop of middle-aged men gather to defend their country from dark foreign invaders.

A bourgeois lady has an affair with a revolutionary and idealistic young medical student who participates in the assault on a hospital.

Alberto, Jorge, Ricardo and Tristan are employees of a shoe store, all are married and share the friendship also between their wives. The 4 friends, faithful to the rogue style of Buenos Aires, go out of their way to have love affairs with the beautiful customers of the shoe store, and for that purpose one day they decide to rent, secretly, an apartment to use as a "bulín". The problems begin from then on, as everyone wants to be the first to release it and then, successively, take turns for their adventures. As is to be expected, it does not take long for the first entanglements to appear, while their wives seem to begin to suspect the adventures of these four typical Buenos Aires chantas.