When they are killed by the leaders of the two gangs fighting for control of the underground game, the conductor who is the heir of one of them turns his musicians into gangsters.

A pop group is chased by a gang of criminals who wants to seize the loot from a robbery.

Pikín, a small and friendly aquarium fish asks a boy to help him find his brother in a stream.

When the mother of a sailor who had written to him that he was the commander appears on the ship, two friends help him in the deception.

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.

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 television network infiltrates an inept employee (Porcel) in the competition and he begins to ruin all the programs but, instead of subtracting audience, he only managed to improve it.

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

A group of secret agents faces a gang led by a scientist who kidnaps children in order to create superior beings.