Jim Hardie is held up by a family based gang to free a member Jim is cuffed to and transporting to jail. Once the cuffs are cut Jim is able to escape but his prisoner wants revenge against Hardie nor will Hardie leave without his prisoner.
Jim Hardie makes a trip to Oro Gulch to pick up a shipment finding himself riding with a four woman entertainment troupe. The trip seems to be linked to a series of robberies along the way - especially when Jim recognizes one of the women.
Jim Hardie is sent to Silver City where a gang is trying to extort money from businesses including Wells Fargo to do business. Hardie arrives to find the local agent murdered and a has been Sheriff who is now a drunk in charge of the town.
Hardie brings an Army payroll into an Army fort under Indian attack. The only commander left, a green Lieutenant, is uncertain of his command and doubted by his men. Jim believes helping him will pay off when his true character comes out.
Jim arrives in Dakota territory to investigate the death of a company driver. But everyone in town is tight lipped about his death and others currently ill. After seeing a cow buried Jim has an idea about what is causing people to sicken.
Jim Hardie has been sent to catch outlaw Zach Bradley who killed a Wells Fargo employee. The stage they are on is stopped by two Apaches who want the same man for killing a squaw and her son but Hardie refuses which leads to a fight.
Hardie arrives at his friend Curly Brown's ranch learning Curlie was murdered. His widow struggles on her own and Jim becomes suspicious of the people ready to buy the place. As he solves the mystery he begins to fall in love with Etta.
Hardie enters town as the Wells Fargo office is robbed. Tracking the suspects he encounters Doc Forrester who holds a grudge against Jim. They are taken to the Haggerty farm where Leroy is seeking medical aid for his wounded brother Ollie.
Jim Hardie is checking on the estate a man many think was an outlaw passed to a man known to be the son of the outlaw. He has arrived to claim the homestead. Hardie finds a neighbor will do anything to drive the son off the property.
Jim Hardie stumbles on to a man and his daughter shot in the head. The dead man was holding a wanted poster for the Rawhide Kid who was wanted 20 years earlier. He finds a young man who was grazed who Hardie decides to use as a lure.
Hardie has his hands full with an escaped criminal Buff, Sheriff Huckaby considered a coward and a new road house manager who's a former drinker. Also a driver intent on setting a record plus a fancy lady with a tart tongue.
Jim Hardie tries to help pretty Pearl Watkins with her brother Ira who is becoming an outlaw but is not wanted by Wells Fargo. His attempt fails but it is not long before he and the Bill Tobey gang hit a Wells Fargo bank leaving two dead.
Jim Hardie stops by a relay station that has reported a theft of several horses. He is met at the door by a pretty young woman who unknowingly is at the center of the theft as a man vies for her hand versus the man he frames for the theft.
Jim Hardie is sent to accompany a delayed and large payroll for a mine at Daleyville. Complicating things there is an employee who feels under appreciated by Wells Fargo but he has become a drunk trying to live up to his one claim on fame.
Jim Hardie makes a visit to his parole Bob Dawson. While there someone tries to rob the Wells Fargo office killing a sleeping man. The technique used is a copy of one Dawson used 27 years earlier so the Marshal wants to lock up Dawson.
A tip sends Jim Hardie to Wagner, Montana on the outlook for outlaws. At the hotel he runs into Laurie Hammer who ran away from home with the outlaw Will Carver. He tells her he recently saw her parents and they would like her to return.
Jim Hardie at a stop finds a stagecoach holdup netted $50,000 in crisp new bills and Doc Holliday and his wife Amy are there. When Amy receives some of the bills from Doc she accuses him of staging the robbery but Jim is doubtful.
Jim Hardie is sent after Kid Curry who has his Wells Fargo at Blue Cross, Wyoming. Hardie is able to catch him near Knoxville, Tennessee after he has been shot. However, Kid Curry tells Jim he won't be taken alive the next time by anyone.
Jim Hardie is in Clay City when the stage comes in driven by two passengers with the driver and shotgun dead and the cash stolen. They say two men held it up but Hardie suspects the two passengers but one of them would seem incapable.
Jim Hardie has been sent to capture the Dalton brothers by Wells Fargo after they strike several express shipments. Jim having worked with Bob goes to their mother's house to find them. However, when the boys show up, he is captured.
Hardie is sent in to investigate a railroad holdup with cash stolen and two railroad men wounded. With a big reward for the remaining outlaw, a bounty hunter named Briscoe is on the trail and he will do anything to eliminate competition.
Jim Hardie is sent to investigate the theft of a shipment of saloon equipment to Clay Allison, gunfighter, who has a hot temper. Hardie suspects that his competitor, Taggert, stole the shipment and the sheriff might be working for Taggert.
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 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 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.
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 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.
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.
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.
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.
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 Matthew Land returns to his hometown of Pueblo after three years in prison, he has little support. Jim Hardie is one of the few who helps him by having him return to his old job despite stealing $10,000 from Wells Fargo.
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.
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 to quiet Prairie Lea where he will riding as a guard for a big shipment. He arrives early to see old friends there including a women he helped. After he arrives he sees the man she left who has been released from prison.
A successful and egotistical outlaw decides to post his own reward for Jim Hardie - Wanted: Dead. He is offering $1000 hoping some of his gang will take the bait and be eliminated and perhaps Jim will be eliminated as well.
Jim Hardie is sent to check on a relay station where the agent is sick. On the way there he finds a wounded man and at the station the reception is icy due to the man who has taken over when the agent died leaving his daughter alone there.