Vivo, ergo tu moris(2013)

In a time when poor mexicans, contemptuously called indians, were treated as slaves by the rich. Things were unfair, unbalanced. Django, a mexican indian, runs for his life trying to escape his abusive patrón... but he fails. After a beating that renders him unconscious, he awakens to meet Dr. Shultz, a bounty hunter that likes to keep thing in balance. Dr. Shultz has a lot to teach Django, about bounty hunters and the way of the gun, so Django can live.