A police chief in the war-torn streets of Los Angeles discovers that an extraterrestrial creature is hunting down residents - and that he is the next target.
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.
U.S. Marshal Sam Gerard is accompanying a plane load of convicts from Chicago to New York. The plane crashes spectacularly, and Mark Sheridan escapes. But when Diplomatic Security Agent John Royce is assigned to help Gerard recapture Sheridan, it becomes clear that Sheridan is more than just another murderer.
