The year is 2199. The once blue and green planet Earth has been reduced to a radioactive desert wasteland by constant attacks from a hostile aliens from the planet Gamilas which force the remaining population underground. However, a friendly alien race from the planet Iscandar contacts the humans and gives them the blueprints to build a powerful space battleship capable of retrieving a device to clean the planet before humanity disappears. The name of the ship: Space Battleship Yamato.