Medical prodigy Chen Yan accidentally transmigrated to the Tang dynasty during the Zhenguan era and became the son of a founding hero. The original host’s background was illustrious—two uncles died on the battlefield fighting Li Shimin, and his father perished protecting Empress Zhangsun during the Xuanwu Gate Incident. In recognition of his family’s loyalty, Li Shimin, after ascending the throne, directly granted him a county‑count title.

Chen Yan originally planned to lie low and enjoy life, touring the flower houses of Chang’an, becoming a rich idle fish, but a marriage edict knocked him flat. The emperor actually intends to give Princess Gaoyang to him as a wife!! Not wanting to become a centuries‑old cuckold king, Chen Yan immediately decides to go to the palace to break off the marriage.

Yet unexpectedly, Princess Gaoyang is the one who first storms the family manor with royal arrogance. The moment they meet, they are like water and fire, who...