In John Ford's sombre exploration mythologising of American heroes, he slowly reveals the character of Owen Thursday, who sees his new posting to the desolate Fort Apache as a chance to claim the military honour which he believes is rightfully his. Arrogant, obsessed with military form and ultimately self-destructive, Thursday attempts to destroy the Apache chief Cochise after luring him across the border from Mexico, against the advice of his subordinates.

Shortly after Pearl Harbor, a squadron of PT-boat crews in the Philipines must battle the Navy brass between skirmishes with the Japanese. The title says it all about the Navy's attitude towards the PT-boats and their crews.

Because boxing is a considered an illegal and disreputable enterprise in 1880's San Francisco, wealthy and influential members of the prestigious Olympic Club vow to make the sport a "gentlemanly" one. They sponsor a brash, extroverted young bank clerk named Jim Corbett, who quickly becomes an accomplished fighter under the new Marquis of Queensbury Rules. Despite his success, the young Irish-American's social pretensions and boastful manner soon estrange him from his benefactors, who plot to give their conceited former protege a well-deserved comeuppance. Despite this, his dazzlingly innovative footwork helps him to beat a succession of bigger and stronger men, and he finally finds himself fighting for the world's championship against his childhood idol, John L. Sullivan.

In Revolutionary America, Gil Martin takes his new wife Lana back to his farm in upstate New York. The area is remote and a distance from the fort but they are happy living in their one room cabin. With the declaration independence, the settlers soon find themselves at war with the British and their Indian allies. Their farm is burned out and the Martins take work with Sarah McKlennar. The war continues however as the Martins try to make a new life.

Sean Thornton has returned from America to reclaim his homestead and escape his past. Sean's eye is caught by Mary Kate Danaher, a beautiful but poor maiden, and younger sister of ill-tempered "Red" Will Danaher. The riotous relationship that forms between Sean and Mary Kate, punctuated by Will's pugnacious attempts to keep them apart, form the main plot, with Sean's past as the dark undercurrent.

Earp agrees to become marshal and establish order in Tombstone in this very romanticized version of the gunfight at the O.K. Corral (e.g., Doc is killed by Curley before the actual battle and Earp must do the job alone).

Wyatt Earp and his brothers Morgan and Virgil ride into Tombstone and leave brother James in charge of their cattle herd. On their return they find their cattle stolen and James dead. Wyatt takes on the job of town marshal, making his brothers deputies, and vows to stay in Tombstone until James' killers are found. He soon runs into the brooding, coughing, hard-drinking Doc Holliday as well as the sullen and vicious Clanton clan. Wyatt discovers the owner of a trinket stolen from James' dead body and the stage is set for the Earps' long-awaited revenge.

When a stranger arrives in a western town he finds that the rancher who sent for him has been murdered...