Deputy United States Marshal Custis Long has been dispatched to help out the local law in McConnell County, Wyoming Territory, where a rather unusual range war is about to erupt between Basque sheepmen and Mexican goatherds. The winners will get the grass--and the losers will be buried beneath it.

Longarm's been called many things in his time, but never a "diplomat." The lawman quickly learns it's hard to talk sense into folks when you don't speak their language. But when Longarm finds out who's been arming the herders with rifles, he's not sheepish about letting his six-gun do his talking for him...