A Union officer is wounded in battle and left for dead. Rescued by a wagon train, he's nursed back to health and offers to guide the wagons west but the Confederates among the passengers ostracise him.
Django Unchained
The Good, the Bad and the Ugly
The Revenant
Once Upon a Time in the West
For a Few Dollars More
Dances with Wolves
True Grit
A Fistful of Dollars
The Treasure of the Sierra Madre
Blazing Saddles