Twenty years the Nazi Moonbase is now mankind's last refuge. Earth was destroyed by an atomic war, but buried under the waste land establishes a power which could save the last of humankind - or destroy it once and for everybody. The truth behind the invention of humanity is going to be revealed when an older enemy leads our heroes in an adventure into the Hollow Earth. To save humankind they must struggle an early shapeshifting reptilian race, the Vril and their army of dinosaurs.