In 1883, US Cavalry lieutenant Matthew Hazard, newly graduated from West Point, is assigned to isolated Fort Delivery on the Mexican border of Arizona, where he meets commanding officer Teddy Mainwarring's wife Kitty, whom he later rescues from an Indian attack.

Troy Donahueas 2nd Lt. Matthew 'Matt' Hazard
Suzanne Pleshetteas Mrs. Kitty Mainwarring
Diane McBainas Laura Frelief
James Gregoryas Maj. Gen. Alexander Upton Quaint
William Reynoldsas 1st Lt. Teddy Mainwarring
Claude Akinsas Seely Jones
Kent Smithas Secretary of War
Bartlett Robinsonas Major Hiram Prescott
Mary Pattonas Jessica Prescott
Larry Wardas Sgt. Kroger