A Cavalry unit on the Mexican border in the 1880s conducts a campaign against marauding Indians.

John Wayne and Maureen O'Hara are embroiled in an epic battle with the Apaches and each other. Wayne leads his Cavalry troops to the Rio Grande to fight a warring tribe. His toughest battle lies ahead when his unorthodox plan to outwit the elusive Apaches leads to a possible court-martial. Locked in a bloody war, he must fight not only to save his family, but also to redeem his honor.

Fifteen years back, Lt. Colonel Kirby Yorke's devotion to military duty led him to destroy the plantation home of his southern-born wife during the Civil War. He is now a lonely man, fighting Indians in the west. Returning from his latest skirmish with the Apaches, Yorke finds that his son Jeff--enlisted as an ordinary soldier after failing at West Point--has been assigned to his command. Kirby's estranged wife, Kathleen, has also arrived at the fort...

Clint Keyes is on the run from the U.S. Cavalry, where he faces mutiny and desertion charges. With the company of a camel and a ten-year old runaway boy, he makes a frantic attempt to fade into the vast New Mexico countryside. They encounter a pioneering widow and her young daughter, who must choose between aiding the unlikely fugitives or hampering their desperate flight.

A frontier scout leads a train of wagons through unfriendly territory where they are attacked by Apache Indians.

Army Major Howell Brady is sent to end a Kiowa uprising in Texas. He must find a way to save the fort as well as win over the beautiful widow of a murdered cavalry officer. As he recruits and trains rival warriors from the local Seminole tribe to help defeat the Kiowas, he must also compete with an army colonel for the widow's affections.