The protagonist, Li Yun, is an immortal who transmigrated to the end of the Qin dynasty. He witnessed the upheaval at the end of the Qin and Han dynasties, saw the prosperity of the Reigns of Wen and Jing, traveled the territories carved out by Emperor Wu of Han, and lived through the horrors of the Three Kingdoms. After experiencing two thousand years of history, he understands that the broad currents of history cannot be changed, but that history’s smaller turns can be altered in his own way.
