When the Chance family arrives at the White House for a peaceful banquet, they find anything but peace. A radical group has taken over the West Wing, trapping everyone - including the president - inside. As the terrorists try to steal the president's nuclear launch codes, the Chance twins do everything they can to keep the president safe. But can they keep him alive and keep the nuclear codes hidden from enemy hands? The fate of the world rests in their hands. . . .