Mexico, end of the XIX Century,a rich owner of a big ranch refuses to accept the love between his daughter Maria de los Angeles and Carlos. As a result the young lady enters a convent to became a nun. Young Carlos is accused of a crime he didn't commit, cause the killer is his brother Felipe. Carlos escapes to the mountain where he becomes generous bandit calls El Diablo. Felipe dies and Carlos takes María de los Angeles out of the convent, but they are followed by the rural police and gunned down. She dies in Carlos' arms.