Based in the novel El Valle Nacional by Enrique Albuerne.
In 1909, the former Judge Cristobal Zamarripa Zamarripa is the owner of the Valle Nacional, the a plantation where snuff exploits workers, supported by the tyrant Porfirio Díaz, who sends political prisoners as slaves.
Others are engaged with the promise of high wages, but end up owing all to the company store.
Another rancher (whose brother was killed by Zamarripa), will be punished, but flees and becomes revolutionary.
The Zamarripa minions betray each other and they flee of the revolutionaries,[clarification needed] led by fugitive landowner.