Jess Harper is acting deputy in Laramie while Mort Cory is in Denver when he catches Tom Wade, an ex-con claiming innocence, searching files in the sheriff's office.

Gil Martin has returned to Cheyenne after getting out of prison to see his girlfriend. Marshal Al Dawson, who doesn't like Martin and had warned him to stay away, shows up - and a violent struggle ensues.

Jess Harper's temper gets him in trouble again when he's framed for the murder of a rancher who broke a contract to sell horses to Sherman Ranch.

Kitty McAllen is being courted by newcomer Vince Jackson, which angers Slim. Slim and Kitty had planned to be married.

Jess thought his sister had died four years ago until she shows up in Laramie to bury her outlaw husband.

Slim arrests Virg Walker but returning him to Laramie proves difficult. Along the way Slim encounters difficulties with his prisoner, a friendly prospector, and a girl in distress.