When Butch Cassidy is released from prison, Jim Hardie, who sent him to prison, is tasked with asking him to work for Wells Fargo. While on a train, Butch meets an outlaw friend, Idaho, who with others are planning to rob the train.

Jim Hardie is assigned to ride shotgun on a stagecoach that was held up carrying a valuable cargo of gold, but has to contend with a driver who thinks he can handle any outlaws he meets with all by himself.

Wells Fargo sends Jim Hardie to Goldfield to help setup a new station that will be shipping silver. Jim is forced to hire an old employee suspected of helping rob Wells Fargo a few years ago in Tonodah when the original hire looks bad.

A rich gold strike in Pleasant Valley has the Wells Fargo Co. setting up a new stagecoach run linking the boom town with San Francisco. Hardie over the objections of the branch manager selects the son of a disgraced Wells Fargo employee.

Jim goes undercover as a trainee for Wells Fargo to try and find out who is supplying renegade Indians with the guns they are using on their murderous raids. Something is strange with the Cheyenne stealing money for which they have no use.

An eastern reporter wants to do a history Jim Hardie so his boss who hired Hardie reveals early details about Jim telling the story of a young drifter who became one of Wells Fargo best investigators after coming close to being an outlaw.

Jim has been sent to recover $15,000 stolen by Soldier O'Malley from a Wells Fargo stagecoach. Soldier is a big man and a prize fighter. In addition the town is accusing him of killing their Marshal by breaking his neck but Jim has doubts.

Responding to a request from a friend who is a Wells Fargo agent, Jim visits Josh Wilkins who is worried. His office clerk is the wife of a bad outlaw who escaped jail and he is worried as he does not want to fire her a she needs the job.

Passing through Paradise, California Jim Hardie finds himself backing up the local Wells Fargo agent and Marshal Murphy who he knows in a fight against the Ferguson brothers who own the area and the town when one brother is jailed.

Jim Hardie has been sent to inspect and buy the Braddock Stage line as a new feeder line. He arrives to find the line runs on a shoestring, has one old stage, and eight horses plus the base station which is not up to the normal standards.

Wells Fargo agent Jim Hardie investigates the hold-up of a Wells Fargo stage with $50,000 taken and the shotgun guard killed. His initial look at the report on the theft has him suspecting the shipper, a beautiful widow owning a ranch.

Jim Hardie is sent by Wells Fargo to help the Wyoming governor who supports expanding the railroads across Wyoming. His opposition is against expansion as he is in the pocket of an outlaw named Clancy who doesn't want to see law spread.

Jim Hardie is sent to accompany Vincent Dodd, a jeweler, who is carrying $30,000 in gems from back east. Attempts have been made to steal the gems but Hardie is unable to stop a last attempt and there is a cast of possible suspects.

A son of a dead man accused of robbing a Wells Fargo stage discovers an empty strong box in the attic of his farmhouse. The boy is still convinced that his father has been falsely accused and hopes Jim Hardie finds the real culprits.

After meeting a Basque sheepherder new to the U.S. who speaks no English with his brother on a stage, Hardie learns on a return trip he is about to be lynched when a town's hard cases accuse him of abduction of a young girl.

A rash of robberies at Leadville cause Wells Fargo to send Jim Hardie in to straighten out the problems. His ride into Leadville proves embarrassing and maybe fatal when an old lady takes his gun, wallet, and hat as she robs the state.

Jim Hardie is sent by Wells Fargo to oversee and guard a shipment of old paper money from Virginia City to San Francisco to be destroyed when an anonymous tip is received that the Coyle brothers plan to steal the rail shipment.

Seeing a man about to be lynched, Jim Hardie stops the stage and tells a lie saying the man held up a Wells Fargo stage to save him. He promises to take him to Tucson for trial. When he escapes, Jim must go after him in Apache territory.

While Jim Hardie is on a private trip on the Wells Fargo stage line in Arizona, the stage is held up by Pearl Hart and her gang. The stage line is out $5,000 while Jim lost $55. Known to hangout in New Mexico, Jim tries to lure her out.

Aging, honest Marshall Ogburn shoots an unarmed suspect in heat of a violent burglary of a Wells Fargo bank and is fired. Jim is sent to investigate the robbery and try to recover the stolen money. It may lead to more than the money.

Jim is sent to Moose Creek, Canada to identify the corpse of an outlaw only he has seen but the man was killed with a shotgun blast to the face making him hard to identify. In addition, a woman there claims the body is that of her brother.

Jim Hardie is sent with an Army patrol to Mexico to pick up the prisoner, Yaqui Kid, to hopefully recover stolen Wells Fargo money. As they return north through the Yaqui country, the horses are stolen and the men picked off one by one.

Jim Hardie arrives in Kimball as a man forces the Wells Fargo agent into the office to rob him. He wounds the agent and kills another man. Several clues come in but one sounds right except the suspect has helped turn the life of a widow.

When a Wells Fargo Bank is held up and a man killed, Jim Hardie is sent in to investigate. A local homeless man was arrested when he was caught with a gun owned by a famous outlaw but Jim Hardie knows he is not the real outlaw.

Doc Bell who was once a successful criminal is paroled to Jim Hardy but he is having trouble starting his medical practice. When he takes the same train carrying $50,000 which is robbed, Jim is led to believe that Doc Bell is part of it.