Longarm has to rein in some rustlers…

Longarm tracks some rustled army horses to Jefferson Boyd—who swears he has government bills of sale. Longarm knows that he’s guilty, but Boyd will almost certainly beat the charge because there’s almost no way to prove these are the same stolen horses. But when someone slips Boyd strychnine with his jailhouse meal, he ends up taking a permanent after-dinner nap. Now, Longarm is not only after a gang of mere rustlers but the killers of his material witness—who’ll turn anyone in their way into dead meat…