In the thirteenth year of the Hongwu era of the Ming dynasty, the Hu Weiyong case erupts. Xia Ren's soul transmigrates into the imperial prison, where he discusses the state of the realm with his fellow prisoner, Zhu Da, profoundly changing the course of the Ming dynasty. In this bustling world, what is it all for? Why has China changed dynasties so many times, only to keep going around in circles?