The ranks of humanity's forces are stretched thin.
As Hayato's Super Robot Army searches desperately for the powerful Shin Dragon, whose Getter energy can save or destroy the planet. From the wastes of Alaska to the shattered ruins of New York, the Shin Getter team rushes from crisis to crisis. Faced with legions of invaders, outnumbered beyond all reason, Shin Getter is saved by a mysterious black robot. Can the rage of the revenant at its controls be enough to overpower the possessed mad scientist Saotome? Or will both Getters be buried under a tide of Invaders as the hour of Armageddon draws closer?