In the year 2010, an environmental disaster has decimated the human population, leaving the remnants struggling to survive. Out of these rose an oppressive and wealthy ruling class, the Logos, who live comfortably in their special economic zones while the majority of humanity struggle and suffer in the ruins of the past. Two men, Katsuragi Jo and Tsurasawa Hitoshi, desert their military unit 'Phantom', taking with them a mysterious little girl. Why did they side with the resistance they once helped suppress, and what’s the significance of this innocent young girl?