Interstellar pirates raid, alliances crumble, and a dark matter called black gold suddenly appears. Its highly radioactive and destructive power threatens all of humanity. Simultaneously, alien species frequently create crises, and large-scale mutations occur in humans, with black gold becoming the first suspect. Evolution or purification? Humanity faces its greatest existential crisis and dilemma since entering the interstellar age...

The Moon holds crucial strategic significance for Earth and serves as humanity's gateway to the deeper reaches of the universe. As a regular soldier stationed at China's Guanghan Station on the Moon, Cauchy is fully aware of the weight of his responsibility. Witnessing the warm lives of lunar residents and the continuous breakthroughs made by scientific research, Cauchy's vision for humanity's future grows ever more profound. The successful development of helium-3 has completely solved humanity's electricity needs, but it has also stirred the wrath of those with ulterior motives. He is forced to ponder whether technological advancement is designed to perpetuate war or to forge a brighter future for humanity...