Legendary marshal Wyatt Earp, now a weary gunfighter, joins his brothers Morgan and Virgil to pursue their collective fortune in the thriving mining town of Tombstone. But Earp is forced to don a badge again and get help from his notorious pal Doc Holliday when a gang of renegade brigands and rustlers begins terrorizing the town.
A band of Mexicans find their U. S. land claims denied and all the records destroyed in a courthouse fire. Their leader, Louis Chama, encourages them to use force to regain their land. A wealthy landowner wanting the same decides to hire a gang of killers with Joe Kidd to track Chama.