Twenty years after the outbreak of nuclear war, leaden radiation clouds permanently enveloped the earth's surface, and the civilization of the old era was reduced to ruins in the flames.
The "pure humans" hiding in underground bunkers were deceived by the lies of the "Ark Agreement" and thought they were the last fire of civilization; the superpowers who stayed in the wasteland divided into seven tribes, struggling to survive amidst radiation and mutation; above the clouds, aliens in the sky guarded the secrets of billions of years, waiting for the person born from the thunder.
Lin Shen, an orphan in the New Ark Dungeon, an unexpected infection turned him from a fugitive to a sought-after "root".
