High above Mark Hanson's back deck, a feathery silver plume records the leisurely descent of 300 passengers preparing to land in Denver. But in one explosive flash, everything changes forever. Plucked from the snow of a Colorado ski valley, a mysterious survivor claims that on a day of planetwide terror, he was saved by God to deliver a startling message for the end of the world. The stranger's apocalyptic prophecies have captured the media's...