Hard-luck gambler Dan Milner is in sudden luck. He'll get $50,000 to hang out at a posh Mexican resort. $5,000 now and the big payoff when the reason he's been sent there is revealed. Of course, the gangsters making the offer don't expect him to live long enough to collect.

Wyatt Earp is the sturdy lawman who sets about the task of shaping up the disorderly Arizona town of Tombstone, with the help of the boozy, tubercular gambler and gunman Doc Holliday. Though initially at cross-purposes, the pair ultimately team up to confront the violent Clanton gang.