Long after the fall of humanity, factions of ancient autonomous weapons battle it out in endless and meaningless conflicts...until one machine finds meaning in the form of a human child and sets out on a journey to deliver her to her people!

In a future Japan run by human-looking robots, hIE, Arato meets an android, Lacia, who defies human understanding. In learning more about her, Arato will find himself forced to make hard choices for both himself and all of humanity.