Bat responds to cry for help when a friend's small gambling house is threatened by rival casino owned by Big Keel Roberts. Roberts suggest that he and Bat play one hand of poker, with the winner gaining ownership of both casinos.

Bat wins a herd of cattle in a card game in Laramie and discovers that in order to convert them into cash, he'll have to fight his way past a rancher determined to only allow his cattle to be sold in Cheyenne.