Thanks to the eleven-year-old robotics whiz kid George Gearing and his best buddy, Jackbot, the evil Dr. Micron is finally behind bars. But life is hardly back to normal. With TinkerTech closed down for investigation and the townspeople abandoning their own beloved robots, things in Terabyte Heights have taken a turn for the worse. Even George himself is in trouble. Despite finally knowing the truth about Project Mercury, he's still no closer to being reunited with his parents. There's only one person who can save them. But if George enlists his help, who will save everyone else when the battle of the bots begins?