THIS SYNOPSIS CONTAINS SPOILERS. Bob Sullivan, a con man, comes to Dodge City to bilk willing customers. He becomes involved in a struggle between a widow, Lorna Wright, and a wealthy rancher who wishes to buy part of Lorna's farm. Bob conspires with the rancher to swindle Lorna, but is captivated by her gravely ill daughter, Nettie. In the end, Bob cannot go through with the swindle. He surrenders to Matt and an impending prison sentence, promising Nettie and Lorna that he will return someday.