Luis Aguilar plays twin brothers, one who is a singer in a nightclub and hates violence, and the other who is a womanizer and always in trouble with the law.
Braulio, son of the generous bandit Heraclio Bernal, pretends to be a cattle rustler so he can investigate and avenge his father's cruel murder. Braulio falls in love with Margarita, only to learn she is the daughter of the man who killed his father.