Overgard is a resourceful yet increasingly desperate man stranded in a remote, snow-covered wilderness. After a plane crash in an icy wasteland, Overgard must live by his wits as he waits for help to arrive. But when a long-awaited rescue effort fails, he faces a life-or-death decision: remain in the relative safety of his camp and hope to be found or embark on an arduous trek that may be the only hope for both him and a critically injured stranger....

When global warming triggers the onset of a new Ice Age, tornadoes flatten Los Angeles, a tidal wave engulfs New York City and the entire Northern Hemisphere begns to freeze solid. Now, climatologist Jack Hall, his son Sam, and a small band of survivors must ride out the growing superstorm and stay alive in the face of an enemy more powerful and relentless than anything anyone has ever encountered: Mother Nature.