Buenos Aires, 1955. One of a family of Sicilian immigrants, the adolescent Laura is on the threshold of adulthood. Her father Francesco Lojacono, is a humble tailor whose relationship with his daughter is one of extreme conflict. As Laura becomes increasingly emancipated in Argentinian (and therefore American) fashion, her father feels personally betrayed.
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.
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.