An American scientist and his Japanese colleagues study a mysterious feral boy who is seemingly resistant to radiation, while a subterranean dinosaur ravages the Japanese countryside.An American scientist and his Japanese colleagues study a mysterious feral boy who is seemingly resistant to radiation, while a subterranean dinosaur ravages the Japanese countryside.An American scientist and his Japanese colleagues study a mysterious feral boy who is seemingly resistant to radiation, while a subterranean dinosaur ravages the Japanese countryside.