A very smart young boy is reading a book called SUMMUM: Sealed Except to the Open Mind. It's a philosophy book that he really likes. He discovers a code in the book. He breaks the code and it turns out to be GPS coordinates.
The smart boy has a GPS unit he got for his last birthday. He tells his four friends about the secret code he found and they go searching for the coordinates. The coordinates turn out to be in the woods not too far away. As they close in on the coordinates, they come upon an underground sanctuary. What they discover will change their lives...