Based on a novel of the same name, it tells the record of a royal court romance between the King of Joseon who believes his duty is to his country first above love, and a court lady who wants to protect the life she has chosen.
The story takes place at the beginning of the 19th century. Goo Hae-Ryung is a historian who tries to fight gender stereotypes as her work is often looked down on. She meets Prince Yi Rim.
Prince Lee Hwan receives a cursed letter from a supernatural entity detailing several dark predictions for his future and is horrified to realize that the curses are indeed coming true one by one. Min Jae-yi, on the other hand, finds herself wanted by the local authorities after being unjustly accused of murdering her family members and unilaterally calling off her arranged marriage.
In this zombie thriller set in Korea's medieval Joseon dynasty which has been defeated by corruption and famine, a mysterious rumor of the king’s death spreads, as does a strange plague that renders the infected immune to death and hungry for flesh. The crown prince, fallen victim to a conspiracy, sets out on a journey to unveil the evil scheme and save his people.