Several pillars of society have robbed an Army safe containing $100,000 so they can buy the land upon which the coming railroad will be built. But they haven't reckoned on the presence of the master gunslinger, Sabata.
When Rocklin arrives in a western town he finds that the rancher who hired him as a foreman has been murdered. He is out to solve the murder and thwart the scheming to take the ranch from its rightful owner.
A Mexican outlaw known as "The Stranger" is part of a band of thieves that steal a cargo of gold from a stagecoach. However, the Americans in the band betray him, and shoot all the Mexicans. The Stranger is not completely dead though, and crawls his way out of his shallow grave, continuing his pursuit of the gold, and exacting a bloody vengeance.