An election for mayor of Mineral City is interrupted when one of the candidates is knifed by a supposedly imbecilic tinker-in reality, the leader of the nefarious ""Shadow Gang.""

A young man and his wife are driven from their ranch by a greedy, unscrupulous rancher and his treacherous son. Roy and Dale assist the young couple in their effort to reclaim the property.

Four escaped prisoners try to take over Paradise Valley.

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.

The town scavenger picks up a cache of counterfeit money which was left by outlaws. Roy must save the old man when the outlaws return for their false money.

An old miner is trading stock in a non-existent gold mine in exchange for food for his old prospector pals. When his granddaughter Maybelle arrives in town, Roy and Dale investigate the old man's case.

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.

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.

A group of ranchers, including Roy, are being stopped by rustlers from taking their cattle to market.

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.