In the year 2201 the Earth is at peace. A new class of spaceships, called Andromeda, replaces the old ships and the Yamato is sadly destined to dismantle the Empire of the Comet. But one day, an alien female voice warns the earthlings of the existence of a giant white comet that threatens their planet. Once again, the Yamato will have to defend the Earth from a new threat ... the Empire of the Comet.