The protagonist Xiao Jidi is a financial practitioner, but he has rich historical knowledge. He traveled back in time to the Renzong period of Song Dynasty. The Wu family who ran the cake business was named Wu Jichan, and his elder brother was named Wu Jidao. A conflict at a celebration banquet leads to the story of accidentally traveling back to the Song Renzong Dynasty and using modern financial knowledge and historical knowledge to create a business empire.
