Seo Young-joo

The story of Joseon's tyrant king Yeonsan who exploits the populace for his own carnal pleasures, his seemingly loyal retainer who controls him and all court dealings, and a woman who seeks vengeance.

Best friends Dong-sik and Seung-ho have a crush on the same girl at school. When she's found raped and murdered, the main fishy is someone the boys know very well, and it tears their friendship aside.