Ben Justin must try and clear his name of false charges.

Daniel Shay comes to Dodge City as a drummer who peddles rat traps as a way of making money. While Daniel continues to look for buyers of his rat traps, he sees a Cheyenne boy stealing a horse. As he looks on memories of a battle at Rock Creek return.

While having dinner with Sarah Morgan Mr. Shay wonders about Jimmy Morgan's father who died in the Rock Creek massacre, Sarah mentions that the cavalry ran him down.

An old safe cracker is set free and he comes back to Dodge to find his former lady love. When two men looking to steal a lot of money come to town and approach him about unlocking the safe at the station, he accepts their proposal, sort of.