On a sunny fall morning Sam and Doris Hickle and their foster children find themselves held captive by a masked man looking for Donnie Mihn, Doris' twin brother. As the killer questions Sam, Doris, and Anne the truth comes to light. Slowly we learn that everything horrific does not hide behind a mask.
50 years from now the sun is dying and life on earth is threatened by arctic temperatures. Mankind puts together all its resources and sends a spaceship carrying a huge bomb designed to re-ignite the dying sun.
Benjamin Franklin Gates and Dr. Abigail Chase -- who found riches and romance at the end of their first hunt for national treasure -- reteam with their wisecracking partner in crime, Riley Poole, for another romp through U.