Zhang Tong, a top student at Xiangzhong University, went back to the village to plant sweet potatoes after failing to find a job, and accidentally discovered a mysterious passage leading to the treasure star. In Baoxing, where the gravity is doubled and the products are abundant, he relied on his ancestral Tongtian Fist to protect himself, picked up gold nuggets, jade and other treasures, and accumulated primitive wealth. Later, he founded Tianbao Auction House, formed an elite team, auctioned thousand-year-old ginseng, flying beads and other rare treasures, and made a fortune of hundreds of billions. During this period, he dealt with the investigation of the Abnormalities Bureau, the provocation of the rich second generation and the covetousness of the cultivation sect, went deep into the treasure star to explore the secret realm, conquered the strange beasts, practiced and upgraded, and finally built a business empire, protected the peace between the two worlds, and opened a sustainable life where wealth and adventure coexist.