A mysterious gunslinger rides into a town on the Mexican border divided by two warring families. After killing the henchmen of one clan, he seems to have made it clear where his loyalties lie and is hired by their rivals. However, he is secretly planning to play them off against each other to his own advantage. Sergio Leone's Western, with Clint Eastwood making his first appearance as The Man with No Name alongside Gian Maria Volonte and Marianne Koch.