The era of universal lordship arrives, and everyone on Blue Star is transported to another world to begin a brutal struggle for survival. At the start, everyone has only a small wooden hut, a broken fence, and one randomly assigned building. Bai Yu, however, draws a premium building: a Star Observatory. Although it has no combat capabilities, it provides one piece of intelligence every day. Relying on this advantage, he builds a city from scratch, faces mounting crises, and gradually uncovers the shocking truth behind humanity's mass transmigration.