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.

A group of boys decides to rob a hotel accommodation for seeking advice which an old offender. In parallel, we see different couples as they arrive at the same hotel and that there be at the time of the assault.

The film tells the story of Ramón Antonio Brizuela, who since childhood has to deal with rampant violence and the drugs, sex and petty thievery of a Caracas slum. Starting with delinquency, Ramón moves on to serious gang activity and robberies. He grows into a tough, self-confident young man who is hardened to violence. His views change when his fiancée's brother is killed in a robbery.

The members of a neighborhood club are evicted due to complaints from a neighbor.

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.

The vicissitudes of the members of the Campanelli family while they have a picnic in the Delta del Tigre, with assailants included.

The Campanelli family messes up in Mar del Plata.