Calvin Crossland is finally unmasked and officially recognized as an international criminal. But now he has no reason to hide, making him all the more dangerous. At the same time, in the Congo, Célestin toils with his mother in the mines. But in secret, this ingenious young boy has painstakingly built an incredible robot that awaits one last piece to awaken. Will the robot be enough to stop a raging billionaire with a ferocious giant at his fingertips?