S02E09: Episode 9
A perplexing photo containing a disturbing message surfaces. The police consider the possibility of the culprit being one of their own.
Previous Episode 
Season 1
I Am Innocent
S1E1 / 10 Jun 2017
Just Turn On The Lights
S1E2 / 11 Jun 2017
A New Possible Suspect
S1E3 / 17 Jun 2017
Kwon Min Ah
S1E4 / 18 Jun 2017
The Second Huam-dong Case
S1E5 / 24 Jun 2017
The Ringtone
S1E6 / 25 Jun 2017
Ga Young's Phone
S1E7 / 01 Jul 2017
Western Seoul Prosecutors' Office
S1E8 / 02 Jul 2017
Special Investigation
S1E9 / 08 Jul 2017
Revelation
S1E10 / 09 Jul 2017
Cold and Damp
S1E11 / 15 Jul 2017
Disbandment
S1E12 / 16 Jul 2017
0 and 7
S1E13 / 22 Jul 2017
Another Body
S1E14 / 23 Jul 2017
Accomplice
S1E15 / 29 Jul 2017
A Monster
S1E16 / 30 Jul 2017
Season 2
Episode 1
S2E1 / 15 Aug 2020
Episode 2
S2E2 / 16 Aug 2020
Episode 3
S2E3 / 22 Aug 2020
Episode 4
S2E4 / 23 Aug 2020
Episode 5
S2E5 / 29 Aug 2020
Episode 6
S2E6 / 30 Aug 2020
Episode 7
S2E7 / 05 Sep 2020
Episode 8
S2E8 / 06 Sep 2020
Episode 9
S2E9 / 12 Sep 2020
Episode 10
S2E10 / 13 Sep 2020
Episode 11
S2E11 / 19 Sep 2020
Episode 12
S2E12 / 20 Sep 2020
Episode 13
S2E13 / 26 Sep 2020
Episode 14
S2E14 / 27 Sep 2020
Episode 15
S2E15 / 03 Oct 2020
Episode 16
S2E16 / 04 Oct 2020
Cho Seung-woo
Hwang Si-mok
Bae Doona
Han Yeo-jin
Lee Jun-hyuk
Seo Dong-jae
Jeon Hye-jin
Choi Bit
Choi Mu-sung
Woo Tae-ha
Yoon Se-a
Lee Yeon-jae
Park Seong-geun
Kang Won-chul
