Twenty after the events of Iron Sky, the former Moon base has become Humanity's last refuge. The earth has been devastated by a nuclear war, but within its bowels lies a power that could save the last humans... or destroy them once and for all! Faced with the threat, a group of adventurers escapes from the Moon and enters the center of the Earth to confront an ancient reptilian race of extraterrestrial origin and its army of dinosaurs.
Twenty years after the events of Iron Sky, the former Nazi Moon base has become the last refuge of mankind. Earth was devastated by a nuclear war, but buried deep under the wasteland lies a power that could save the last of humanity – or destroy it once and for all. The truth behind the creation of mankind will be revealed when an old enemy leads our heroes on an adventure into the Hollow Earth. To save humanity they must fight the Vril, an ancient shapeshifting reptilian race and their army of dinosaurs.