Manuel Acosta

El Mariachi vient pour chanter, jouer de la guitare, transmettre oralement les traditions de sa famille. Malheureusement, la ville dans laquelle il cherche à s'installer a un autre visiteur, qui arrive en même temps que lui... Un tueur, qui transporte ses armes à feu dans un étui à guitare. Le barron de la drogue local et ses hommes de main confondent El Mariachi avec le tueur, et le pourchassent à travers la ville pour le descendre et mettre la main sur son étui.

The killing of a political leader shatters the peace of a small Mexican town. MANCO, the brother of the murdered presidential candidate knows the killer and sets out to exact his revenge. Arriving to investigate the assassination is special agent AMIGO from the Mexican Intelligence. Amigo quickly strikes up a friendship with a local hotel owner who fills him in on the town's seedy characters and gives Amigo a Single Action revolver. The stage is set for Amigo and Manco to join forces and take down the powerful and dangerous CAMARO family responsible for the murder and the corruption of the town. To gain the confidence of Camaro, Amigo breaks his top henchman out of jail. Amigo is welcomed into the Camaro gang. Camaro soon discovers Amigo's connection with Manco and plots to take him out. The situation reaches a boiling point on the US/Mexican border when Amigo, Manco, and Camaro meet for an old-fashioned Western shootout where truth and justice prevail in one single action.