Shen Yi, once a spoiled and extravagant young master, suddenly comes to his senses. With the Shen family on the brink of bankruptcy and their creditors, the Chen family, closing in at every turn, their ancestral business is about to be lost. Using the extraordinary technique of making ice with saltpeter, he turns his fate around and revitalizes the family business with modern knowledge. He outsmarts unscrupulous merchants, humiliates gambling dens, and builds Heaven on Earth, making it famous throughout Dongyang. After presenting a secret technique to the imperial court, he is appointed to an official position. He provides disaster relief, saves the people, and navigates the complicated worlds of government and the martial underworld. Along the way, he humiliates his enemies, protects his family, and finds genuine love. From a wastrel despised by everyone to a leading business magnate and an imperial official, he writes an exhilarating legend of turning his fortunes around in ancient times.