When a stranger arrives in the small town of San Miguel, he finds out about the long feud between two families who seek to control the town. He tries to take advantage of the situation by manipulating the two families and inciting them against each other, while getting rich in the process.
The two bounty hunters Manco and Colonel Douglas Mortimer join forces to catch the ruthless criminal El Indio and his gang, and split the reward.
Set against the backdrop of the American Civil War; a mysterious gunslinger reluctantly joins a Mexican desperado to find a buried treasure, while they seek to get the better of an outlaw who's trying to beat them to the money.