On earth Travis was a lonely boy, but after his accidental abduction to an alien space colony with nothing but a rock for companionship he becomes the loneliest human alive. A daring escape into a mysterious rain forest world begins a cascade of adventures with new friends, as they must overcome the natural challenges of a Pleistocene world, harsh human enemies, and killer robots. Only then will a boy, a girl, and a rock have a chance to save this world.