The business of the Donato family, an Italian-Argentine criminal organization, is a success. They have bought judges, lawyers and even politicians, but after a kidnapping goes wrong, a civil war starts in the Donato crime family. Based on a real event of the Galiffi crime family, a real Italian pro-Fascism mafia that conquered in the 1920's and 1930's the city of Rosario, the Chicago of Latin America.
A charming racecar driver is visited by his 20-year-old son who is nothing like his father. Solemn and introverted, the boy is shown the ways of sensual pleasure by his father's mistress, but he falls in love with another young woman. Intending to marry the girl, the young man takes the relationship very seriously. His father, however, believes the boy should have a more carefree lifestyle and decides to intervene by seducing his own son's fiance. This action proves to be a tremendous mistake.