The film is a sequel to Iron Sky (2012) and presents events after twenty years since the Nazis with a secret base a month invaded the Earth. As a result of a nuclear attack in Washington, DC, the president of the United States, is evacuated to Antarctica and enters Hollow Earth – a vast underground civilization. There she meets Adolf Hitler and Tyrannosaurus’ animal “Blondi” and begins to lay the ground for a plot for world domination. It also appears that the President, Jesus Christ, Hitler, and Vladimir Putin are a secret reptilian humanoid race that has been controlling human governments for hundreds of years, waiting for the right moment to strike against the Terra people to ensure the annihilation of the entire human race and domination reptilians on the planet.