After bandits steal his poker winnings this American legend makes his way to the next town in search of them. Seeking out his revenge during a poker game gone bad Doc West finds himself in the local town jail. When his past is exposed and a battle amongst the town breaks out in gunfire he will have to choose sides, between the outlaws or the law-abiding citizens.

Lucky Luke becomes the Sheriff of Daisy Town and runs out all the criminals. Then the Dalton brothers arrive and try to get the Indians to break the peace treaty and attack the town.