Civilization was destroyed by the Third World War. Only the Xelon vault survived in the world, where art objects and scientific achievements were brought beforehand. Humanity receives a new development. Nonnel Telly lived most of her life in an egalitarian society focused on the development of science and education. With the advent of Geoplant, the establishment of the ruling class began. Gordon Weliand returned to Xelon and seized power. Twenty years have passed. Professor Hardian Aster arrives in Xelon and sets about preparing the quantum transition.