In the troubled times of war, Qin Xiaoman, a street boy, wanders into the prosperous and dilapidated Jiangnan. Xiaoman accidentally got involved in a refugee crisis and got acquainted with Li Yao, a woman disguised as a man, and a group of embarrassed homeless people in the world. They laughed and laughed all the way, skirted the edges of disputes, and accidentally stepped into the whirlpool of imperial intrigues. In the blood and fire of the court, the rivers and lakes, and the battlefield, everyone is constantly transforming. While running for survival, they also resist the heavy fate with ordinaryness and humor. In the end, friends are separated and reunited, and small people can leave indelible laughter and warmth in the gears of history.