Sam Heffridge, a gunman, has been bailed out of jail by a robber seeking an ally in New Orleans where Hardie and Jeb are visiting; Hardie soon learns about a plot against Wells Fargo.
Two sideshow hypnotists, The Great Reardon and his wife, use their powers to fleece a gold-mine owner after Hardie hires them to serve as entertainment at a Wells Fargo celebration.
While in search of a thief called The Utah Kid, Jim learns that his quarry has been hanged in a small town -- but the crook's stolen cash remains missing.
Hardie is transporting a prisoner to stand trial in Santa Fe, but when they stop in a small town along the way, he discovers that there's a price on the man's head -- and the mayor and sheriff may not let him leave alive.
While pursuing a bandit, Jim runs into his friend and fellow agent Ben Wilson, who awaits his fiancée, Ellen Stevens, but when Ellen's stagecoach arrives, Jim learns the bandit tried to rob it and realizes Ellen holds the key to finding him.
Hardie is called to investigate when a rash of robberies occurs at Leadville, but his arrival is less than auspicious when he's relieved of his wallet and gun by an old woman who robs the stage.
Hardie stops a group of vigilante cowboys from hanging an accused cow rustler, only to learn that the young man he saved is notorious criminal Tom Horn.
Young Matthew Land has served three years in the state's penitentiary for his part in a Wells Fargo robbery; he has been released and is returning to his hometown.
After a treaty with the Apaches, Fort Chapman is targeted for closure, but in the meantime, Jim Hardie must keep the peace until civilian law can fill the void.
Outlaw Belle Starr and her gang rob a train on which Jim Hardie is a passenger, and he tries to lure her from hiding by tempting her with a prominent racehorse.
A rookie outlaw holds up the stage carrying cash that Jim is waiting for, prompting Jim to go off looking for the thief, but he finds he needs the criminal's help when the two must evade an Indian attack.
Hardie is sent in when a stagecoach is robbed near the Arizona-New Mexico border, and he learns that the only thing taken was a scrappy dog whose collar may be evidence to prove a murder.
Jim Hardie and his Wells Fargo agents set a trap for the notorious Stillwell gang, but the outlaws manage to outwit the detectives and escape with five thousand dollars.
When Wells Fargo is accused of stealing high-grade gold ore from mine wagons and then a new Wells Fargo investigator dies in a mine, Hardie must investigate.
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, which makes him hard hard to identify; a woman claims the body is her brother's body.
The son of a dead man accused of a stage coach robbery finds an empty strongbox in the attic and hopes that Jim Hardie can help him uncover the real thieves.
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.