El Mariachi just wants to play his guitar and carry on the family tradition. Unfortunately, the town he tries to find work in has another visitor, a killer who carries his guns in a guitar case. The drug lord and his henchmen mistake el Mariachi for the killer, Azul, and chase him around town trying to kill him and get his guitar case.

A 1972 television adaptation of Los Vendidos, a one-act play by Chicano playwright Luis Valdez, a founding member of El Teatro Campesino. The play examines and dramatizes stereotypes of Mexican Americans in California and how they are treated by local, state, and federal governments.