Gunfight at the O.K. Corral (1957)

After the long career of lawman that made him a legend Wyatt Earp decides to quit and join his brothers in Tombstone Arizona. There he would see them in feud with Clantons local clan of thugs and cattle thieves. When the showdown becomes inevitable the help will come from Doc Holliday terminally ill gambler who happens to be another Wild West legend.