At the dawn of the American Civil War, tensions begin to mount between Northern and Southern sympathizers stationed at Fort Laramie in Wyoming. The Southern soldiers, led by Maj. Seth Bradner (John Dehner), leave Fort Laramie to join the Confederate cause. But when Bradner is captured by a fortune-seeking Sioux tribe en route to Texas, it's up to Capt. James Tenslip (Gregg Palmer), a Northerner who has fallen for Bradner's niece Melissa (Frances Helm), to save him.