Once Upon a Time in Tombstone
This movie delivers all of the great characters you would expect in a film about Tombstone. The Earp Brothers, The Clanton Brothers, Doc Holliday, Johnny Ringo etc. and great gunfights. What the film delivers, is a multitude of pieces of the puzzle that complete the story, not just about why the gunfight happened but the real history about what led up to it and what followed.
