Is Kris Kringle a criminal? Santa Clause's son is helping his father to find out who is naughty or nice. But the FBI is investigating him to find out what is in the little book Kris is writing about the children of Congress. Is Kris Kringle a kidnapper? Children are missing. Is Kris Kringle involved? Is Kris Kringle a hero? Can the FBI use Kris to help them find the kidnapped children? Will the Naughty or Nice book let Kris tell them what is in the book? Can FBI Agent Noel Nakashita use the book? Or will the book kill them for telling?