In the 21st century, the rich second generation Lin Zhonger was assassinated by his family and exiled to the underground ruins. In the ruins, he awakened the RTS God's perspective system. Control a swarm of micro drones to collect resources through the perspective of God, summon the mechanized Sun Wukong armor to fight fiercely with the tide of mutant beasts, and gradually build a steel fortress. When the surface forces discover the underground mutation, the protagonist has unified thirty-six underground cities and drives the core of the earth's nuclear furnace straight to the surface to overthrow the family rule.