The Drifter [Dramatized Adaptation](Last Gunfighter‪)‬

Once, Frank Morgan had a wife and a future on the land—until a rich man with a grudge drove him out of Colorado. Since then, Morgan's taken up the one skill that always came easy—gunfighting—and drifted to a mining town in the New Mexico Territory.
But there's nothing easy about two vicious gangs descending on the town and threatening to wreak havoc. With his reputation preceding him, Morgan is elected to stand in the outlaws' way.
And with nothing left to lose, he's the last man who will ever back down...