In the tenth year of the Red Star Catastrophe, radiation is raging in the wasteland, and high-level alien beasts are attacking survivor strongholds everywhere. {Jiang Chen} accidentally activated the Night Watch mecha left behind by the Federation in the ruins, just to find his lost sister. From an ordinary person surviving alone, he gradually gathered his partners, killed alien beasts, consolidated strongholds, built defense lines, and established a safe zone in the hopeless wasteland. Using mechas as blades and protection as his thoughts, he restarted the fire of human civilization.