Marshal Wyatt Earp kills a couple of men of the Clanton-gang in a fight. In revenge Clanton's thugs kill the marshal's brother. Thus, Wyatt Earp starts to chase the killers together with his friend Doc Holliday.
Hour of the Gun is a 1967 Western film depicting Wyatt Earp and Doc Holliday during their 1881 battles against Ike Clanton and his brothers in the gunfight at the O.K. Corral, and the gunfight's aftermath in and around Tombstone, Arizona. It stars James Garner as Earp, Jason Robards as Holliday, and Robert Ryan as Clanton. The film was directed by John Sturges.