Hour of the Gun

With the dust barely settling at the OK Corral, the notorious Clanton brothers unleash their revenge. One by one, they gun down Wyatt Earp's brothersbut they won't have the last shot. Using his US Marshal's badge as his authority, and Doc Holliday (Robards) as his deputizedright-hand man, Earp begins a zealous pursuit of vengeance that the west will never forget. (official distributor synopsis)