One year has passed since the thriumphant return of Space BattleShip Yamato with the Cosmo DNA that saved the world from being consummed by radiation, the Earth Defense Force has become complaicent and created a new BattleShip, Andromeda to defend the planet. Yamato is now relegated to patrol duty in the outer solar system, but now the evil Comet Empire heads toward the Milky Way with plans of conquest and slavery agaist humanity accompanied by Leader Deslock from Gamillas, who wants revenge against yamato and Earth for his defeat. delivering a series of strikes against Earth and the Earth Government confident in the power of ther automated space fleet forces the surviving crew of Yamato to rise to the challenge and face this new danger, their second epic adventure starts here.