Three hundred years after the earth became a wasteland, the interstellar exiled human fleet received a weak signal from the home star. An advance team composed of genetically modified soldiers, former civilization scholars and defected AI returned to their homeland, only to find that they were not the only "returners". Ancient ecological weapons are awakening in the ruins, and deep in the heart of the earth, some kind of consciousness far older than human beings is watching this belated "homecoming".
