Autry Braden with his partner Ed Talley aim to make their fortune and join the unscrupulous and murderous George Mason to hunt mustangs in 1804 Spanish Texas across the Sabine from Louisiana Territory. Their mission intersects with Maria Manuel, who is running from the vicious Juan Castenada, captain of the Spanish garrison at Nacogdoches, who has violated Maria and had Mason kill her husband so he could claim her as his wife. As...