29 years after the events of Iron Sky, the former Nazi Moonbase 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. An old enemy leads our heroes on an adventure into the Hollow Earth. To save humanity, they must battle the Vril, an ancient shapeshifting reptilian race, and their army of dinosaurs.

This is the story of Aristides de Sousa Mendes, a man of conviction who saved 30,000 lives during WWII, in June 1940. Among them were10,000 Jews. As the Portuguese General Consul stationed in Bordeaux, France, he issued 30,000 visas for safe passage to Portugal. He defied the direct orders of his government and exhibited courage, moral rectitude, unselfishness, and self-sacrifice by issuing visas to all refugees regardless of nationality, race, religion or political opinions.This narrative film expresses his heroic actions towards humanity, which will perpetuate his legacy of justice for a new generation. In 1966, Yad Vashem named him Righteous Among the Nations. He is considered to have achieved the largest single rescue operation of World War II.