The adventures of two flight attendants when they meet a secret agent from Buenos Aires.

Mauricio and Alberto are friends and work in an insurance company. Apparently they have very dissimilar personalities, since Alberto is a hummingbird who lives courting as many women as he can and Mauricio is serious and lover of his wife. In reality, Mauricio maintains a hidden relationship with a vedette named Monica, who constantly puts him in trouble when he asks him to separate from his wife and go live with her. Alberto, aware of this, proposes to Mauricio that he pass his lover to him, and Monica becomes his stable lover. Mauricio and Alberto's women become suspicious and everything gets complicated, and they come to the conclusion that keeping Monica is very dangerous for both of them.

A music teacher marries the daughter of a widower, and he marries the young man's mother.

To prevent his father from finding out he has secretly married, a young man from a wealthy family disguises his wife as a maid. Members of the Clan Club, visiting the house, also disguise themselves as servants.

A shy young man has trouble relating to women and asks an extravagant relationship counselor for help.

A magazine company and some in-love couples board a night train where a gang of bandits is traveling.

Three young boys who live in the same neighbourhood and go to the same college meet three girls. They start picking up on them but they end up falling in love.

Movie divided in three episodes: a family mother becomes a successful singer; an Argentinian reporter follows a Spanish cupletista from the beginning of the XX century; the reunion of three old actors and their lies about their success.