Mackenzie's Raiders

The Scalp Hunters (1x21)

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When a murderous band of Apaches kill a rancher's son, the bitter old man hires a gang of gunmen to exact revenge. Unable to find the marauders, the "posse" attack, kill and scalp a band of peaceful Commanches threatening an all-out Indian war. Colonel Mackenzie and his men must capture the murderers before the Commanches go on the warpath.