After the half-breed daughter of a Comanche chief falls for a young engineer who deserts her, she turns to a white Indian agent who marries her.
Framed by Major Jenkins, Capt. Travers is kicked out of the Army. When Travers, now living with the Indians, is captured by Jenkins, the Indians attack the fort. With his men greatly outnumbered Colonel Burke realizes that Travers is their only chance.
A gambler sets out to help a pretty young woman save her trading post.
