In 1782, King Jeong-jo of Joseon asks detective K to investigate a series of murders related to a case of corruption within the government.
Kim Myung-min
Kim Min
Oh Dal-su
Han Seo-pil
Han Ji-min
Han Gaek-joo
Lee Jae-yong
Minister Lim
Woo Hyeon
Mr. Bang
Ye Su-jeong
Lim Jwa-soo's Wife
Jeong In-gi
Magistrate
Nam Sung-jin
King Jeong-jo
