In 1875, nearly forty years after the Mexican War, Mexicans and Texans are still spilling blood over ownership of the Nueces Strip - a hot, dry stretch of coastal prairie that bushwhackers and horse thieves have turned into a lawless hell. Captain L.H. McNelly, a complex and determined Confederate veteran, is brought into the Nueces Strip for one pupose: to keep the peace. His measures are harsh and controversial - but McNelly wasn't sent in to be popular. In this boilerpot of killing and racial hatred, can any man bring any lasting peace?