U.S. Air Force sergeant Johnnie Carter awakens bloody and disoriented in the middle of the Nevada desert. A total stranger swears Johnnie miraculously appeared and saved her sick baby's life. All Johnnie wants is get back to her life, but instead, she is propelled into an unstoppable chain of events teeming with apparent miracles, all of which seem to center around her. As she encounters an eclectic cast of characters ranging from circus workers and unspeakable criminals to space shuttle astronauts and the U.S. president, the unlikely savior appears to be on a rapid course to save the country, if not mankind. And in the process...she just might save herself.