Hour of the Gun accuracy than most motion picture accounts of the events and is based on the non-fiction book "Tombstone's Epitaph" by Douglas D. Martin, with a screenplay by Edward Anhalt. In "Hour of the Gun" Ike Clanton is shown, correctly, to have survived the Gunfight at the O.K. Corral, whereas previous films had him killed at the gunfight. Outnumbered but determined, Wyatt Earp (James Garner), his brothers Virgil (Frank Converse) and Morgan (Sam Melville) and ally Doc Holliday (Jason Robards) confront and clearly get the best of the Ike Clanton gang in a violent shootout at the O.K. Corral in the Arizona
Gunfight at the O.K. Corral escape, was the beginning of increasingly bad feelings between the Earp brothers and Cowboy factions. Wyatt Earp and Cochise County sheriff Johnny Behan were interested in the same sheriff's position and also may have shared an interest in the same woman, Josephine Marcus, known as Sadie. Citizens of Tombstone believed that Behan and Marcus were married, but Behan was a known womanizer and had sex with prostitutes and other women. In early 1881, Marcus ended the relationship after she came home and found Behan in bed with the wife of a friend and kicked him out, although she used the