A reclusive ex-cop reenters the game as an insurance investigator, searching for clues in crime scenes perfectly staged by a serial killer in her midst. Lee Young-ae, Kim Hye-jun, Kim Hae-sook, Kwak Sun-young, Baek Sung-chul, Cho Hyun-chul, Lee Hong-nae Added on Netflix 2021-10-31. Youtube Trailer