The film tells the story of Ramón Antonio Brizuela, who since childhood has to deal with rampant violence and the drugs, sex and petty thievery of a Caracas slum. Starting with delinquency, Ramón moves on to serious gang activity and robberies. He grows into a tough, self-confident young man who is hardened to violence. His views change when his fiancée's brother is killed in a robbery.

Gilberto, a young man from the countryside, arrives in the city with the aim of carving out a future for himself. Initially he is dazzled by the sparkling image of the city, the spoiler of civilization, which will batter him until his personality undergoes a radical change.