Captain Kirby York, a Cavalry officer, is used to doing things a certain way out West at Fort Apache, but the new commanding officer insists that everything on his watch be done by the book. Their...

Captain Kirby York, a Cavalry officer, is used to doing things a certain way out West at Fort Apache, but the new commanding officer insists that everything on his watch be done by the book. Their relations with the natives rapidly evolve from friendly to hostile and force the new commander to order his regiment into battle with the natives and into disaster.