The survivors of the destruction of Japan climb back to the surface, thirteen years after their nation was destroyed... only to find a devastated world locked in battle! Wave after wave of Invaders take their till on the depleted forces of Hayato's Super Robot Army as the dawn of Armageddon draws ever nearer. Once again, humanity must rely on the tenacity and spirit of three young pilots and their mastery of the greatest of the robots, the Shin Getter Robo! But as the Invaders turn their victims against those who remain, can Shin Getter face the malevolent power of its very creator who spurs on the end of the world?