Eunomia is one of the Three Computers that accompanied the human settlers. She is sent down with the humans where she takes up residence underground. When Eirene and Dike block off the ship due a pandemic, leaving Eunomia and the humans isolated. As human's build up from below ground she communicates with a young settler. Once the human's have begun to thrive upon the planet's surface she relocates to the sublevels of R.U.C.