It was the beginning of summer and the last day of school. It should have been a happy day, a good day, but Tim Anderson, grandson of William Johnson, the Hero of the World, was in trouble. Arriving home he soon discovers his parents are missing, and so is his famous grandfather. He needs help, but mysteriously, not even the police will get involved.
Trying to solve the puzzle of his missing parents, Tim stumbles upon a secret invention, one that has great potential for the good of mankind, but also holds the power to enslave the world if it fell into the wrong hands. Tim is determined not to let that happen. But his hope of keeping it hidden crumble as a powerful and secretive department of the New Federal Government, the Technology Branch, discovers its existence, and will do anything to get their hands on it. Agents have been dispatched and they have their orders. Tim and company suddenly find themselves caught up in intrigue and uninvited danger as they struggle to keep the invention away from its pursuers. But the question is, can they succeed? And what happens to all of us, if they can't?