Su Chen traveled through the fourteenth year of Hongwu in the Ming Dynasty and inherited a brothel on the verge of bankruptcy along the Qinhuai River. Modern people are all night owls. How to live in ancient times must have created a nightlife with music and entertainment every night. The curfew, the sea ban, the emphasis on agriculture over commerce, the thin flow of tribute, and the unreasonable ancestral system of the Ming Dynasty should all be changed. Lao Zhu who dislikes his straight body, Li Jinglong who loves to wash his feet, An Qing who loves to play mahjong, Queen Ma who loves to eat desserts, curious baby Zhu Xiongying, and Fang Xiaoru who advocates science.