President Grant orders Indian fighter MacKay to negotiate with the Modocs of northern California and southern Oregon. On the way he must escort Nancy Meek to the home of her aunt and uncle. After Modoc renegade Captain Jack engages in ambush and other atrocities, MacKay must fight him one-on-one with guns, knives and fists.

Two American gun runners at odds with each other and looking to sell guns to the rebels during the Cuban War of Independence navigate a boat to Cuba. Along for the ride is a beautiful Cuban rebel in who both men are interested.

Back home in Texas following the Civil War, former Confederate officer Chad Morgan (Alan Ladd) leads a cattle drive to Missouri, assuring fellow ranchers that their stock will bring $10 a head at auction. Instead, ruthless cattle baron Brog (Anthony Caruso) has scared off all competition and offers much less.