In Los Angeles, a gang of bank robbers who call themselves The Ex-Presidents commit their crimes while wearing masks of Reagan, Carter, Nixon and Johnson. Believing that the members of the gang could be surfers, the F.B.I. sends young agent Johnny Utah to the beach undercover to mix with the surfers and gather information.
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.