As both a former Confederate guerilla and Texas Ranger, and now a U.S. marshal, no one knows the dangers of the frontier and cowtowns like Marshal Samuel Pritchard. A couple of wagon trains traveling the Oregon Trail have vanished and Pritchard's got miles of bad road across hostile territory to investigate. But he must also reckon with a price on his head. Bounty hunter Captain Laird Bonner is the greatest manhunter throughout the west -- and he's as ruthless as he's relentless in pursuing his prey.