Sezon 4
Bölümler
1 New Emails 18 Haz 2021 
2 The Face Of The Suspect 19 Haz 2021 
3 The Phone Call From The Victim 25 Haz 2021 
4 The Body In The Cauldron 26 Haz 2021 
5 Running Away From Danger 2 Tem 2021 
6 Circus Man's Multiple Personalities 3 Tem 2021 
7 28 Years Ago 9 Tem 2021 
8 The Missing Teen 10 Tem 2021 
9 Hidden Room 16 Tem 2021 
10 Short Kidnapper 17 Tem 2021 
11 Kwak Man Taek's Confession 23 Tem 2021 
12 The Vimo Plant 24 Tem 2021 
13 심판의 시간 1 30 Tem 2021 
14 심판의 시간 2 31 Tem 2021