铁空事件发生20年后,前纳粹月球基地已成为人类最后的避难所。地球被核战争摧毁,但是深埋在荒原之下的是一种可以拯救人类最后一部分或者一劳永逸地毁灭人类的力量。当一个老敌人带领我们的英雄进入空心地球探险时,人类创造背后的真相将被揭示。为了拯救人类,他们必须与Vril战斗,Vril是一个古老的变形爬行动物种族和他们的恐龙军队。。Danny was a baby when his mother was killed in a car crash. Overcome with grief, his father locked him away in a house, telling him the outside world is full of monsters that will spirit him away like his mother.。