In the end of the 22nd century, Gamila aliens bombard Earth with radioactive meteorites. As a result, the planet's surface becomes uninhabitable, and humans begin to dwell underground. Using the ruins of the World War II Japanese battleship Yamato, humans construct a powerful spaceship and can finally engage the aliens in direct confrontation.

In the end of the 22nd century, Gamila aliens bombard Earth with radioactive meteorites. As a result, the planet's surface becomes uninhabitable, and humans begin to dwell underground. Using the ruins of the World War II Japanese battleship Yamato, humans construct a powerful spaceship and can finally engage the aliens in direct confrontation.