When news of John Smith's death reaches America, Pocahontas is devastated. She sets off to London with John Rolfe, to meet with the King of England on a diplomatic mission: to create peace and respect between the two great lands.
Simon is a nine-year-old autistic boy who has cracked the government's new "unbreakable" code. This skill renders the new billion-dollar secret code vulnerable, especially if enemies of the United States should learn of Simon's abilities and capture him.
The OSSA discovers a spacecraft thought to be at least 300 years old at the bottom of the ocean. Immediately following the discovery, they decide to send a team down to the depths of the ocean to study the space craft.