Jess Harper has drifted into Laramie, Wyoming Territory from Texas looking for the "friend" who stole his money. He gets a cold reception from the lawmen of Laramie when he's mistaken for a member of Bud Carlin's gang, out to spring one of their own from jail. Jess receives an even chillier reception from Slim Sherman co-owner of Sherman Ranch. Slim's kid brother Andy takes a shine to the stranger when Jess finds himself at the Sherman Relay Station on the Central Overland Mail stage Line. Slim's dislike of Jess intensifies when Andy makes it plain he'd rather partner...

Essie Bright, a traveling preacher lady, is on her way to Laramie when she loses her piano player. Roany Bishop is a down on his luck drifter who needs a way to Laramie to look up his friend Jess Harper. Roany claims to play the piano so that Miss Essie will take him Laramie. One their way they stop at the Sherman relay station. Jess, recognizes Roany and tries to avoid meeting up with him, to no avail. Roany presses Jess to go to Laramie with him using the fact the he'd save Jess's life several years prior. Meanwhile Jonesy, spying the piano tied to the back of Miss ...

When the Great Central Overland Mail stage breaks down on it's way to Laramie, it is an ill wind that blows. While the passengers are trying to effect repairs, Martha Chambers shoots and mortally wounds Taka, son of Pawnee Chief Yellow Knife, by mistake. Taking the wounded Indian with them, under the protestations of some of the passengers, the crippled coach manages to make it to the Sherman Relay station, putting Slim, Andy, Jess and Jonesy at risk. Fearing an attack by Yellow Knife and the Pawnee, Slim orders Jonesy and Andy to Laramie while Major David Prescott ...

Private Gil Brady shows up at the Sherman Ranch Relay Station beaten and half-starved looking for help from his brother-in-law, Jess Harper. Gil claims to have deserted from the Army and he wants Jess to take him to Canada by way of the Lolo trail, which which puts Jess at odds with Slim Sherman. Determined to get Gil to Canada for his sister's sake, Jess sets off with Gil and the Army in pursuit. Ultimately Slim joins a chase that could cost Jess his life.

Vic Stoddard comes to Rock Spring to mail a letter only he's gunned down by Curly Troy, son of a powerful local rancher. Curly mails the letter anyway, which is addressed to Jess Harper. Jess travels to Rock Spring because of Vic's letter only find his friend dead. Angry, Jess tries to goad Curly into gunfight but Sheriff Tully Hatch cools both hotheads down. It doesn't stop Curly from making another try for Jess later that night, but it costs him his life. Jess decides to stay in Rock Springs and becomes Sheriff Hatch's deputy and immediately there is a bank robbery ...

Judge Barnaby Cade is a wily old drunk just released from prison and on the trail of the ill-gotten gains from bank robberies, stage hold up and an army payroll robbery that he and the Chawcktaw Johnson gang stole. The problem is he doesn't know exactly where it is and needs a guide to help him find it. An investigator from the Adjutant General of the Army has been been following Cade since his release from prison, hoping that he will lead him to the money. When Cade gets thrown in jail for being very drunk and somewhat disorderly, the investigator approaches the ...

Captain Sam Prado is psychopath that finds himself at Sherman Ranch and Relay Station with a saddle bag full of stolen money and the law hot on his trail. Hoping to avoid capture he hides the money at the ranch and threatens Jonesy and Andy Sherman. Slim Sherman and Jess Harper foil Prado's escape and he's captured. With Slim and Jess the key witnesses at his trial a brazen escape is made with the help of Prado's gang and Slim and Jess are taken as hostage by Prado. Slim is sent to Sweetwater by Prado to fetch Lita Ray, the saloon entertainer that he currently fancies...

Ed Caulder is a hired gun that accepts assignments through General Delivery mail and he's come to Laramie to do another job. His target is someone at Sherman Ranch but when Slim and Andy Sherman save Caulder's life he eventually ends up rethinking his contract. The men who hired him have other ideas about his quitting the contract and those ideas could prove deadly to Slim and Jess Harper.

Laurel Dewalt is the beautiful, calculating and greedy young wife of rich rancher Arnold Dewalt. She despises her marriage and dallies with almost any man, using them and then discarding them. When she runs from her husband she runs into the arms of Jess Harper, a man with whom she has a history with. Jess isn't happy to see her but finds himself believing her lies. He agrees to take her to Tumavaca and Slim Sherman isn't happy about Jess leaving, but can't stop him. There is an added complication, Arnold Dewalt has put bounty hunters on Laurel's trail and they aren't...

Whit Malone, an old army buddy of Slim Sherman's, shows up unexpectedly at the Sherman Ranch and Relay station supposedly to have a visit with Slim. Whit gets Slim drunk reminiscing about old time and also gets him to agree to taking Andy up to his ranch in Montana for some fishing. In the sobering light of the next day, Slim reneges on taking Andy and Whit is force to reveal that he is allied with one Colonel Brandt who is out to assassinate General William Tecumseh Sherman. General Sherman is expected at the relay station that day. Jess Harper is also expected to ...

It's a case of murder and revenge when a friend of Jess Harper's is unjustly accused, tried, convicted and hung for the murder of Doc Webb and Sheriff Kiley. The problem is John MacLean was an innocent man and Jess was looking for the real murderer while Slim Sherman tried to stop the trial being held at Sherman ranch. When Jess gets back to the ranch with the real murderer he finds John MacLean dangling from a tree and Slim nursing a head wound. Jess is enraged at all the men who participated in the kangaroo court, including Judge Matthew Hedrick and his son Jim. His...

The Wyoming Territory is a place of fear. Sioux renegades, armed better than the cavalry by unscrupulous traders, are raiding and killing over a large ares. The stage line is suffering and there seems no end when Father Elliot comes to Sherman Ranch and Relay station on his way to the Yellowstone to meet with Sitting Bull. He needs a guide but both Jess Harper and Slim Sherman decline the job and the Army is set against Father Elliot making an all ready volatile situation worse. The gunrunners don't want him in the way either. Father Elliot, seeing it as a mission ...

Anxious to help pay the bills at the financially-strapped station, Jonesy becomes the promoter for a traveling prizefighter whose bouts aren't always on the up-and-up.

Slim Sherman becomes a target of one man's vengeance when Ed Farrell sends a letter to the late Matthew Sherman vowing to kill him for what he did years ago. Jonesy attempts to intervene with disastrous results when Farrell's desire for revenge is turned on Slim. Ed Farrell is also a man on the run, an escapee from Yuma Prison, with a price on his head. When Jonesy fails to stop Ed a second time, it lands him in jail in Casper and puts Farrell on the first stage to Laramie and the Sherman Ranch and Relay station. He gives Slim and Jess Harper a fake name and lands a ...

John MacCambridge is the former marshal of Dodge City and a friend of Slim Sherman. He arrives in Laramie at the same time that Slim is seeing Jess Harper off on a cattle drive with the combined herds of several area ranches. MacCambridge is in town to buy a particular piece of land from Slim, supposedly to become a rancher. Slim refuses to sell the land but does agree to lease the land to MacCambridge. What MacCambridge doesn't tell Slim is that his partners in the ranch are some of the outlaws and gunmen that he's dealt with over the years. The situation in Laramie ...

Its winter and the Sioux are at war and the Wyoming Territory has become their battleground. Slim Sherman and Jess Harper have to close up Sherman Ranch and Relay Station, sending Jonesy and Andy Sherman to Laramie and to safety. Slim and Jess volunteer with Army, Jess ends up as guide for Custer and Slim assigned to guide a mule train carrying dynamite up to a critical mountain pass. The pass must be blown up to prevent the Cheyenne from joining the Sioux and trapping Custer's forces between them. It's up to Slim, aided by a beautiful woman, to win the battle against...

In need of some extra money, Slim and Jess take jobs as drovers on a cattle drive, and Jonesy tags along with them. Things change, however, when they discover that the trail boss is planning to kill all three of them.

Jess Harper has been appointed special deputy marshal to escort accused murderer Gabe Reynolds from Cheyenne to Laramie by stage. The stage is ambushed by Manuel Ortega, brother of the woman that Gabe Reynolds is accused of killing. A game of cat and mouse ensues with Jess and his fellow passengers hopelessly outnumbered and out-gunned. With the real murderer of Margarita Ortega still on the loose and looking to kill Gabe before he can reveal the truth, everyone's life is on the line.

The aging but still beautiful Lily Langford, the toast of 3 continents, is on a tour of the west and her next stop is Laramie. She's broke and one step ahead of the creditors because of her ne'er do well, cheating gambler of a husband, Ben Carson. Among his victims, Shanghai Pierce and his outfit from Texas, who are hot on his trail. Shanghai ends up locking horns with Jess Harper and then Slim Sherman and in the mêlée Ben Carson ends up out at the Sherman Ranch and Relay Station with Jonesy, who met Lily many years before at the height of her career. He's hoping to ...

It's an ill wind that blows in the Laramie basin and Sherman Ranch in its path. With an impending tornado, Slim, Jess, Andy and Jonesy are hard pressed to get the ranch ready for the storm. What they don't realize is that there's more than one storm heading for the ranch when the stage from Laramie has to stop at the relay station to wait out the tornado. None of the passengers is who they seem, with one man on the run from the military and the law, a nun who isn't a nun, and a gambler who has more to gamble than his money. Add a bounty hunter and a gunman ...

Jack Slade is the new stage line superintendent and he's a hard, ruthless man. He especially wants Jess Harper fired one way or another which doesn't set well with Jess or Slim Sherman. Adding to Slim's problems are the fact that all the relay teams and some of his best quarter horses have been stolen. Slim and Jess have tracked the thieves but they are holed up in a canyon and it would be suicide to go after them without help. Slim and Jess go after the stolen horses with Jack Slade, after establishing an uneasy truce with the company man. They get the horses back ...

Mary and Del Layton are held up and murdered for their strong box of money bu the murderer is interrupted by Mace Stringer and runs. An unassuming man, Mace becomes the town celebrity for bringing Del to town for help and riding with the posse, along with Slim Sherman, to capture the murderer. The problem is Del Layton dies and leaves the money to the town but nobody can find the strongbox. Mace Stringer provides very helpful clues but the townspeople begin to think Slim has stolen the money because of Mace. Some also think that Slim let the murderer 'escape' only to ...

Jess Harper travels to Patterson Ranch for Slim Sherman and finds himself up to his gun belt in trouble. T.J. Patterson owns the stage line and he's been robbed of money that belongs to the company. The thief is Tom Mannering, the man his daughter Gloria loves and the loss of the money could ruin the stage line. Jess refuses the job to track Mannering to Alta Mesa until he finds out that Slim has an obligation to Patterson. He grudgingly accepts the job but enemies dog his trail and Gloria Patterson is following so that he doesn't gun down Mannering. Also on ...

Frank Buckley went to prison for killing Cameron Gault's son Jay and he took a secret to prison with him. Now it's five years later and he's back in Laramie, paroled to Slim Sherman and there are those in town that don't want him back. His only allies are Slim, Jess Harper and Laurie Allen, Doc Allen's daughter. It doesn't help Frank's case that Cameron Gault raised him as his own and that Chad Morgan, Gault's foreman, has designs on taking over the Gault empire and he's going to use every dirty trick in the book to make sure Frank Buckley goes back to prison. Morgan ...

The Laramie bank has been robbed Vernon Kane and a popular deputy killed. Slim Sherman trails the bandit into the desert and catches up with him in the company of Deborah and Jack Farnum. Jack is a gambler and Deborah, his long suffering wife and they're in the desert searching for gold. When Kane comes upon them, one of their horses has died and he claims he's being trailed by a desperado. When Slim comes along Kane's glib tongue has the couple siding with him against Slim. Slim is able to force the small band to go back to Laramie but it's a desperate fight for ...

Billy Pardee makes an unsuccessful attempt at robbing the Wells Fargo office in Laramie, killing the deputy sheriff in the process. When Pardee's partners attempt to break him out of jail, Sheriff Cory is wounded and presses Slim Sherman into service as acting sheriff with Jess Harper as his deputy. It's a job that Slim doesn't want but there's nobody else to protect Laramie from Tom Creighton, outlaw leader out to make sure that Billy doesn't hang for murder. With most of the townsfolk afraid to stand against Creighton, the odds are against Slim and Jess living long ...

It's the sod-busters against the ranchers and the homesteaders have hired Gil Martin and his crew to protect them against cattlemen intent on driving them out of Laramie. Gil Martin has a different agenda and it involves starting a range war instead of stopping it. Slim Sherman and Jess Harper are trying to keep a lid on a volatile situation, which is only made worse when rancher Luke Rawlins is murdered and the homesteaders are blamed. The Laramie Basin is in danger of blowing wide open and its up to Slim, Jess and the homesteaders to get to the truth behind Gil ...

The cattle market is depressed which forces Slim Sherman and Jess Harper to hit the trail looking for a better place to sell cattle. The town of Agate is the middle of brewing range war when Slim and Jess ride into town. Circumstances find them hired as the city marshals, putting them between Terry Blake and the rest of ranchers in the area. It's a case of accusations and counter claims as Slim and Jess unravel the mystery of Terry's rustled cattle, putting them at odds with the very men that hired them. Men who would see the pair dead before they find out the full ...

Jess Harper is on the run from the law after killing a U.S. marshal in Laramie when he meets up with Vern Jamieson on the trail. Vern, having witnessed the murder, offers Jess a position with Owen Cantrell and Loren Corteen in their private army in the border dispute between the U.S. and Canada. Corteen is fostering a rebellion in the neutral territory and using as many gunmen as he can hire to fill the ranks. Jess agrees but it's evident early on that he doesn't quite fit in with the rest of the gun slicks that have been hired. He's causing too much trouble, asking ...

Slim Sherman gets involved in a fracas with the surly Glen Bentley while rushing Jonesy into Laramie to see the doctor. Bentley is part of a wagon train laying over on the outskirts of town and is a loudmouthed bully. later in the day, Slim is forced into a gunfight with Bentley when the latter pulls a gun on an unarmed man. Bentley is badly wounded and later dies when the doctor can't be found in time. Though Slim is cleared of wrong doing at the sheriff's inquest, Ross, the assistant wagon master wants the job of wagon master, and will stoop to anything including ...

Deputy Marshal Jess Harper and the Marshal are on the trail of Frank Bannister and his gang for two weeks when Bannister turns the tables on them along the Santa Fe trail in New Mexico. Afoot and with nowhere else to run they make for Fort Defiance Trading Post with Bannister close on their heels. The men, headed by Clint Gentry, who live at the trading post rescue Jess and the marshal but one their own, Reb who gave Jess and the marshal time to run, is captured. Bannister is willing to trade, giving Clint an ultimatum, Jess and the marshal for his friend Reb. Gentry ...