When presented with the opportunity to swap his dad for a state-of-the-art robot, Sam Smart doesn't hesitate for a moment.

His fateful decision creates a firestorm that will test him to his limits and make him question everything he once believed.

Sam must face the robot's fabulously wealthy and mysterious creator, Professor Bruxo Greathouse, to correct his mistake.

It's a battle Sam can't hope to win unless he is prepared to do the one thing he promised never to repeat...an action from which there can be no going back.