The war between the States has ended. Now, driven from Texas by carpetbaggers, former CSA Colonel Shamus O'Brien sets off for a new frontier - New Mexico. Here, where land is cheap, bandits shoot to kill, and rustlers rule the night, it takes more than one man to run a ranch. So he offers a partnership to his eldest son, Jacob, with equal shares going to his sons Sam, Patrick, and Shawn. Together, the brother's O'Brien will defend their homestead, the Dromore, in this violent, lawless land...and when necessary, administer their own brand of frontier justice.

In 1848, Dooley Monahan, son of struggling Iowa pioneers, went off to to pick up a new milk cow. Young Dooley never came home. Now, nearly three decades later, Dooley Monahan has become an accidental legend, managing to plant a bullet in the chest of a dangerous outlaw. All Dooley really wants is to claim his reward at a bank in Phoenix and make his way north to a gold strike he read about in a newspaper.

Once upon a time in the Old West, Buck Trammel was a Pinkerton agent with a promising future. But after a tragic incident in a case gone wrong, he struck out for the wide-open spaces of Wichita, Kansas. Working as a bouncer at the Gilded Lily Saloon, he hopes to stay out of trouble. But soon enough, his gun skills are put to the test. The Bower gang shows up, turning a friendly card game with a Wyoming cattle baron into a killer-takes-all shooting match. Buck saves the cattle baron's life, but at the cost of two Bower men. That's when Deputy Wyatt Earp arrives.

Orphaned at the age of seven and adopted by Indians, Jami Ian MacCallister grew into a man more at ease in the wilderness than among men. But when the westward strike drove him across the Arkansas Territory into Texas, he finally found himself a home — in the middle of a bloody war. Texans like Jim Bowie and Sam Houston were waging a fierce struggle against Santa Ana’s Mexican army and Jami MacCallister made the perfect scout for the fledgling volunteer force.

In Tennessee, 17-year-old Breckinridge Wallace knew the laws of nature. When his life was in danger, he showed a fearless instinct to fight back. Killing a thug who was sent to kill him got Breckinridge exiled from his Smoky Mountain home. Brutally wounding an Indian attacker earned him an enemy for life....

Once a respected lawman in Kansas and Oklahoma, Ty Brannigan ended his career as town marshal of Warknife while he was still young enough to marry, start a family, and raise cattle. Now nearly sixty, he’s a proud husband, father of four, and proprietor of the Powderhorn Ranch. He’s more content wrangling cows than criminals. But for every outlaw Brannigan put in jail, noosed, or left to the vultures, he made even more enemies. They’ve made the mistake of targeting his wife and children—only to discover that Ty Brannigan enforces his own law with a lightning-fast draw.

He’s the son of a cattle rancher. A restless young dreamer who, under normal circumstances, would follow in his father’s footsteps. Normal, however, is not his style. Like his famous grandfather and namesake Perley Gates — a hell-raising mountain man with a heavenly name — young Perley wants adventure, excitement, and freedom. And like his grandfather before him, he will find his dream — in the untamed wilds of a lawless frontier. That dream, though, might just become a nightmare....

After a lifetime of robbing banks and holding up trains, Jimmy "Slash" Braddock and Melvin "Pecos Kid" Baker are ready to call it quits, though not completely by choice. Sold out by their old gang, they have to bust out of jail and pull one last job to finance their early retirement. The target is a rancher's payroll train. Catch is: the train is carrying a Gatling gun and 20 deputy US marshals who know they're coming. Caught and quickly sentenced to hang, their old enemy - the wheelchair-bound, bucket of mean, Marshal L. C. Bledsoe - shows up at the last minute to spare their lives.

In a town like Chugwater, Wyoming, you know who your friends are, who your enemies are, and who your kill-crazy maniacs are. For Duff MacCallister, the last category belongs to Johnny Taylor and his gang. Duff has wrestled with this polecat before, and knows that his bite is worse than his smell. But when Taylor's gang tries to rob a bank - and Duff manages to shoot one and arrest Taylor's brother - the outraged outlaw raises a stink straight out of hell. First, he begins to randomly slaughter innocent townsfolk one by one.

Shotgun Johnny Greenway thought he'd hit rock bottom when he lost his wife and son, hung up his badge, and hit the bottle. But a pretty young woman gave him a second chance. Offered him a job riding shotgun for the Reverend's Temptation Gold Mine. Gave him a reason to live. But even she can't save him when the Starrett gang tries to rob the gold—and Johnny kills their leader . . .

Johnny Greenway was once a family man. A well-respected marshal who always played fair. Then his wife and son were killed by cutthroats. Johnny killed the killers. Then he hung up his badge and picked up a bottle. Now a shadow of his former self, he has nothing much to live for. But when he singlehandedly stops a bank robbery, he catches the eye of the banker’s daughter. She’s impressed by Johnny’s gun skills, and offers him a job riding shotgun. First he’ll have to stop drinking and clean up his act. But that’s not all that needs cleaning.

Once, Frank Morgan had a wife and a future on the land - until a rich man with a grudge drove him out of Colorado. Since then, Morgan's taken up the one skill that always came easy - gunfighting - and drifted to a mining town in the New Mexico Territory. But there's nothing easy about two vicious gangs descending on the town and threatening to wreak havoc. With his reputation preceding him, Morgan is elected to stand in the outlaws' way. And with nothing left to lose, he's the last man who will ever back down....

When Ben Savage receives a telegram informing him that an old friend died - and left him his saloon - he’s not sure what to think. Western saloons are as wild as it gets, full of rowdy ranchers and cocky cowboys, high-stakes gamblers and low-life drifters, hard liquor and easy women. Then there’s the occasional outlaw gang. But when Savage travels to Buzzard’s Bluff, Texas, to check out his inheritance, he meets the saloon’s lovely manager, Rachel Baskin, and has a change of heart.

Two of the Johnstones’ most legendary heroes—the rugged mountain man known as Preacher and the Scottish clan rancher Jamie Ian MacCallister, here together for the first time—are forced to choose sides in a blood-soaked battle for the heart and soul of a nation divided. This is not the American dream they were looking for. This is a nightmare. A brutal, blood-drenched frontier war that two heroic men must fight and win—or one struggling nation will never come together. For liberty and justice for all.

The cattle town of Chugwater may not look like much to outsiders. But for Duff MacCallister and the determined settlers who’ve staked their futures here, it’s a land of opportunity. That’s why the whole town is fired up by the latest news. Young railroad developer Jacob Poindexter wants to run a rail line through Chugwater, making it easier to transport cattle. Everyone is on board with the plan — at first. Duff begins to suspect that Poindexter is only after the most valuable land, and he’s using strongarm tactics to force reluctant ranchers to sell.