A rich girl steals her dad's Rolls Royce and heads off to Las Vegas to get married. However, her angry parents, a jealous suitor, and a bunch of reward seekers are determined to stop her.

Cowhairs want to drive farmers away from their lands. Luke takes matters into his own hands, and even Lotta's beauty and kindness can't hold him back. Signs suggest that there is also a third party in the background who benefits from the strife.

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.