Li Siyuan, a modern man, dies suddenly from overwork and unexpectedly transmigrates to an unfamiliar historical era, becoming the only son of the Marquis of Nanping. He thinks that as a young marquis, he'll be able to live carefree every day. But to his dismay, he's matched with a shrew. To escape this miserable fate, he flees the marquis's estate and becomes a servant in the Xiao household. He wins the young lady's heart, toys with the courtesans, takes on local tyrants and powerful officials at court, conquers Fusang, takes a foreign princess as his bride, and becomes the Great Khan of Heaven.
