Twenty years the former Moonbase has become mankind's last refuge. A nuclear war destroyed earth, but buried deep under the waste land lies a power which may save the last of humanity - or even destroy it once and for all. When an enemy leads our heroes in an adventure into the Hollow Earth the truth behind the invention of humanity is going to be disclosed. To save humanity they must struggle an early shape shifting reptilian race the Vril along with the army of dinosaurs.