They say you can’t teach an old dog new tricks. But old cowboys? That’s a different story—especially when those cowboys are trail-hardened cattlemen like Casey Tubbs and Levi Doolin. When these longtime buddies learn that their bosses are getting out of the beef business, they figure it’s probably time to retire anyway. Nothing left to do now but deliver the last two-thousand cows to Albilene and collect their pay. There’s just one problem. Their bosses’ lawyer is skipping town with all the workers’ cash—which means Tubbs and Doolin have one last job to do... 

Deputy US Marshal Jeremiah Halstead is escorting notorious outlaw John Hudson across the territory for trial when he's ambushed by a pack of Hudson's men anxious to rescue their partner from his custody. Halstead puts the blast on them, but outnumbered and outgunned, he has little choice but to hole up in an old mining town known as Silver Cloud, Montana. It's a place where he can keep a lock on his prisoner while figuring out how to get past Hudson's gang alive. But the folks in Silver Cloud are none too happy playing host to the lawman or his kill-crazy prisoner.

The outlaw Darby brothers have been sentenced to hang until dead. Witnessing the execution are Amelia Darby, sister of the condemned men, as well as US Deputy Marshal Sam “Trusty” Dawson and Judge Gordon Hadesworth. After justice is served, Trusty hits the trail, escorting the judge - and begrudgingly, Amelia - back to Oklahoma. Ambushed en route, the judge is murdered and Amelia vanishes, leaving Trusty to believe she led them into a trap for revenge.   

Will Carson is the best scout at Fort Dodge. Then he saves the life of Sarah Lawton, a lovely widow with her young daughter, both helpless under Indian fire. And by doing so, he made mortal enemies with the Cheyenne - who are now out for his blood....

Caleb Marlowe carved out his own legend as frontier scout and lawman before arriving in the Colorado boomtown of Elkhorn. Famous for a lightning-quick draw and nerves of steel, he is mysterious, guarded, and unpredictable. Now, he wants to leave the past behind. But the past has a way of dogging a man.... When Doc Burnett, Caleb's only friend in town, goes missing, his daughter, Sheila, comes seeking Caleb's help. Newly arrived from the East, she hotly condemns the bloody frontier justice of the rifle and the six-gun. But this is outlaw country.