The lunar crater "Buratenodon" is a graveyard for used-up androids. However, androids made a child-type android at the secret factory and entrusted to him the dream of returning to the Earth. His name is Diver 0. He pledged his life to fight for androids who died on the Moon and for androids who oppressed by humans on the Earth. So battle between humanity and Diver 0 began!