After all the Indian tribes in the Fort Apache area sign a peace treaty, the War Department orders the fort closed. All the men leave on furlough while waiting for reassignment. Then the Comanche Chief, Okoma, takes over the fort and joins forces with Chief Black Cloud to raid the surrounding territory. Major Swenson is ordered to retake Fort Apache.

Marshal Higgins and his deputy, Kid Hooker, start courting a charming widow. Hooker, who was once a desperado, decides to surrender his badge and return to a life of crime when he fears Higgins may marry the lady.

Sergeant O'Hara takes Rinty and Rusty with him on a gold-mining expedition to an abandoned gold mine. There they run into three desperadoes who have just robbed a bank.