Ismael Echevarría

Four friends, who are volunteer firefighters, get into a series of problems when they discover a fraud.

A musician from Cordoba arrives in Buenos Aires and stays in a pension where he will meet a lively porteño, a provincial who works as a chorus girl in a magazine theater, a friendly and helpful girl and a success.

A couple of art representatives, harassed by their debts with a mafia organization, invent an "uncle's story" to defraud a group of alleged heirs, posing as the testator's lawyers.

Between songs and games of military acrobatics, four boys who do military service establish relationships with as many young women.