Through the Darkness Season 1 Episode 1
Red Cap Incident
Song Ha-yeong pursues a criminal known for targeting young women. Kook Yeong-su looks to form a team of criminal behavioral analysts.
Guest Stars
Oh Seung-hoon
Jo Kang-moo
Kim Yun-seul
Cotton candy girl
Kim Kwan-mo
Undercover cop in drag
Choi Da-young
Nurse
Hwang Jeong-min
'Turtle' supermarket owner