An old man has two sons: One a confirmed renegade and the other a manager of an express office. When the outlaw gang robs the express office, the renegade refuses to join them in harming his brother.

Luke Taylor's gang tries to save him from hanging by kidnapping the Governor during Mineral City's 75th Anniversary celebration. When the gang shoots ex-convict Jim Forrset, suspicion centers around young Bob Arden, whom Forrest has declined to accept as a son-in-law.

A young miner is ambushed when a crooked assayer discovers that he has uncovered a bonanza.

An old ex-rancher named Carson, whom the townsfolk believe to be a miser, has been robbed by a confidence man named Hi Talley who has been employed as his bodyguard.

Roy, serving as acting sheriff of Mineral County, works with his blood brother, Chief Gray Hawk, to prevent the crooked mayor from framing the Indians in a series of murders.

Roy is captured by a desperado who wants him to track down his missing horse, an outstanding equine which he considers faster than Trigger. The desperado regains his horse but loses his freedom when Roy ultimately overpowers him.

An Indian agent is murdered by an old prospector who is stealing gold he discovered in the Indian's salt mine.

Sam Gardner, a Mineral City banker who wants to initiate legalized gambling, has a gang of thugs force Sheriff John Blodgett out of town so that he won't interfere with the shady dealings.

Charlie Morse sells a fine horse called ""Dutchess"" to ham actor Henry Hawkins. Morse's evil brother attempts to gain possession of the animal by murdering Charlie and framing Roy and Hawkins for the crime.

Tyrannical Boston financier Jackson C. Revere travels West to confront his son, who has pledged to support himself in Mineral City despite his father's lack of faith in his abilities.