Season 1
In a small town in 1999, the sister of a convicted terrorist joins a detective's investigation into bizarre recording tapes capturing serial killings.
Episodes
1 A Missing Girl Sep 22, 2021 
2 A Tape Sep 23, 2021 
3 The Mixtape Sep 29, 2021 
4 The Inverted Dream Sep 30, 2021 
5 Guru Oct 6, 2021 
6 The Interview Oct 7, 2021 
7 One Family Welfare Center Oct 13, 2021 
8 The Magazine Club Kids Oct 14, 2021 
9 Cheonyang Filtration Plant Oct 20, 2021 
10 Cho Kyung Ho Oct 21, 2021 
11 The Heir Oct 27, 2021 
12 Choi Hyung In Oct 28, 2021