Mario, the son of a police captain killed in the line of duty, is completely surrendered to the police organization. Instructing some errands meet Elsa, original and fascinating beauty, beginning an illicit affair and exciting. This makes his firmest principles are shaken, transformed his life completely absurd entering a maelstrom revolving around the existence of Elsa surface.

José, a young mechanic, arrives in Madrid to make it big. After being conned he loses his savings, and is taken in by Elisa, a photographer. She introduces him to Pablo and Laura. Laura makes him an offer he cant refuse and then his troubles really begin.

This spaghetti western presents a fictitious version of the often filmed legend of Pat Garrett and Billy the Kid. Billy becomes innocently an outlaw while protecting his mother, but then turns into a trigger happy killer. When he falls in love he tries with the help of Pat Garrett, a fatherly friend, to change back. However, circumstances force Billy to become violent again and it is Garrett who is credited with the killing.

After his girlfriend dies in childbirth, Confederate deserter John Warner travels to Mexico, where the woman's father, Don Pedro Sandoval, grudgingly hands over his child. But with no locals willing to provide milk, the baby dies. Rounding up a group of rebels, Warner goes on a rampage through northern Mexico, with the ultimate goal of taking down Sandoval in this gritty Western.