When a serial killer resurfaces after many years, two detectives Han Joo-won (Yeo Jin-goo) and Lee Dong-shik (Shin Ha-kyun) team up to investigate, but through the course of their investigation they are led down many different paths, leaving them questioning their own abilities, judgement and each other.
|Also Known As:||Monster|
|Directed by:||Sim Na-yeon|
|Written by:||Kim Soo-jin|
|Starring:||Yeo Jin-goo, Shin Ha-kyun|
|Extended Cast:||Choi Dae-hoon, Choi Sung-eun, Cheon Ho-jin, Choi Jin-ho, Gil Hae-yeon, Kim Shin-rok, Nam Yoon-soo, Lee Kyu-hoi, Park Ji-hoon|
|Original release:||February 2021|