When straight arrow FBI agent Roy Clayton heads up the investigation into a dangerous international conspiracy, all clues seem to lead back to former U.S. Special Operations officer Samir Horn.

After paleoclimatologist Jack Hall is largely ignored by UN officials when presenting his environmental concerns about the beginning of a new Ice Age, his research proves true when a superstorm develops, setting off catastrophic natural disasters throughout the world. Trying to get to his son, Sam, who is trapped in New York City with his friend Laura and others, Jack and his crew must travel to get to Sam before it's too late.