It is set in 2034, and the Knight Sabers seem to be finished; each of its members—except Nene—have seemingly drifted off to pursue their own goals. But at the same time, parts of a unique artificial intelligence are stolen by several villains acting under the orders of a mysterious voice. Unexpectedly, Sylia resurfaces and prepares her teammates for battle. And as a gigantic machine drills its way to Mega Tokyo's main nuclear power plant, they meet again with an old and deadly enemy.