A Fistful of Dollars (1964)

A wandering gunfighter known as the Man with No Name arrives in the town of San Miguel. He becomes involved in a feud between the Rojo brothers and the Baxter family. The Man with No Name sees an opportunity to make money by playing both families against each other. He manipulates the situation and orchestrates a gunfight between the factions. In the end, he outwits the Rojos and kills their leader. He then rides away from the town, leaving behind the chaos he created.