Synopsis: Linus Quincannon quits the U.S. Army in protest at the slaughter of Native Americans. He becomes a frontier scout, and is sent on an expedition to look into the disappearance of a cargo of munitions. He's joined by the lovely Maylene, who wants to find out if her brother died in an attack on a faraway fort. In a savage environment of hostile American Indians and renegade soldiers, Quincannon searches for the truth, and Maylene falls in love with him.