Lu Xuan, an exiled survivor of the Oracle Fleet, picked up a level 5 mecha "Zero" that was condemned to be scrapped in a scrap iron yard. This piece of malfunctioning machine has something that even the Federation cannot count on - memory, emotion and choice. Facing the fog of annihilation where the deep divers "determine everything", one person and one machine, with imperfect will, embark on a journey to find the answer to human existence.
