An American man returns to the village of his birth in Ireland, where he finds love and conflict.
A band of Mexicans find their U. S. land claims denied and all the records destroyed in a courthouse fire. Their leader, Louis Chama, encourages them to use force to regain their land. A wealthy landowner wanting the same decides to hire a gang of killers with Joe Kidd to track Chama.
Lt. Col. Kirby Yorke is posted on the Texas frontier to defend settlers against depredations of marauding Apaches. Col. Yorke is under considerable stress by a serious shortage of troops of his command. Tension is added when Yorke's son (whom he hasn't seen in fifteen years), Trooper Jeff Yorke, is one of 18 recruits sent to the regiment.
