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 recently separated man decides to go to his best friend's apartment, where their different personalities cause crazy events, hilarious situations and, in addition, he meets a beautiful woman with whom he falls in love.
Alberto and Jorge are employees of a pharmacy. One day, by mistake, they give a client a bottle of poison in exchange for a medication that she had to start ingesting 48 hours later. Realizing this, they decide to go out and look for her with the only data they have: her first name, her striking clothing, and that she was driving an imported motorcycle. So they launch into a crazy race against time touring the fashionable places of the Buenos Aires night, helped by a woman who claims to know the mysterious girl on the motorcycle.
Alberto, who has been married to Laura for twenty years, meets Monica in his office, a serious and formal employee with whom he strikes up a friendship.
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.
