The lunar base is not a beacon of human glory, but a prison for the terrifying creatures of the universe. Maintenance worker Lin Mo accidentally awakened the bloodline of the ancient regulator and was forced to merge with the AI "Zero" and the incarnation of the rules "Yuehua" to become the last line of defense to prevent the "Final Entity" from breaking through containment. But conspiracies from Earth and betrayals from within followed one after another. He must make a choice between his own annihilation and the survival of the solar system - the dark side of the moon hides a truth that can swallow up the stars.