Like a murderous plague, a band of cutthroats and criminals, led by prison escapees from New Mexico, rages through West Texas. They're slaughtering everyone in their path: men, women and children. They struck at Saragosa. Now they've taken over the town of Boracho. The Dallas newspapers call them the Kingdom Come Gang. In Chugwater, Wyoming, Duff McCallister calls them his enemy. Because one of their victims was family. Riding to Texas, Duff gathers...

Duff MacCallister fled the Scottish Highlands for a new world in Wyoming Territory. Betrothed to a good woman, Duff has the bad luck to be standing in the Chugwater Bank when a violent robbery explodes around him. With one man dead by Duff's gun, and another under arrest, a team of bandits swarms outside of town. As witnesses, Duff, a banker, and a beautiful barmaid are whisked into the town's hotel for safe-keeping as the outlaws threaten the defenceless...

When Duff MacCallister journeys to Texas to deliver 100 head of Angus cattle, he finds a land on fire. Unruly, lawless teams of fence cutters, branded Blue Devils by the locals, are rampaging across grazing land and cutting fences in the name of an eastern land company. The ranchers are fighting back, and Duff joins the fray. But the fight leads to Austin, and into an even deadlier mission. The governor's daughter has been kidnapped by Blue Devils....

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 Freemantle 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 Freemantle is...

"Scottish cattleman Duff MacCallister staked a claim for his life in America-and reserves a righteous anger for those who break the law. Thanks to a new line, the railroad has come to Chugwater, Wyoming, bridging the gap between the small town and the larger city of Cheyenne. Now Duff MacCallister can transport his black angus cattle herd with ease by iron horse instead of enduring a two-day trail drive. But the day after depositing the cash in his...