This is the story of Aaron, who has the fastest horse around. And as always, someone gets envious. Ramiro, Aaron's enemy, with the help of his cousin Toño, want to steal the "El Grano de Oro." But not satisfied with this, he also wants to steal Aaron's wife. To do this, this evil man hires the hitman known as El Pantera.

El Chaca and his drug gang continue their operations in the face of the Federal authorities, bringing about a violent and bloody confrontation.