Two friends in the past were victims of serious school bulling. One could not resist his trauma, and becomes a serial killer, walking in the path of revenge. Another one tries his best to overcome the trauma and becomes a police detective. He now faces tragic fate to risk his life to capture the serial killer.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 2022-03-18 | 55 min |
| Season 1 | Episode 2 | Episode 2 | 2022-03-18 | 45 min |
| Season 1 | Episode 3 | Episode 3 | 2022-03-25 | 57 min |
| Season 1 | Episode 4 | Episode 4 | 2022-03-25 | 56 min |
| Season 1 | Episode 5 | Episode 5 | 2022-04-01 | 55 min |
| Season 1 | Episode 6 | Episode 6 | 2022-04-01 | 53 min |
| Season 1 | Episode 7 | Episode 7 | 2022-04-08 | min |
| Season 1 | Episode 8 | Episode 8 | 2022-04-08 | min |
| Season 1 | Episode 9 | Episode 9 | 2022-04-15 | min |
| Season 1 | Episode 10 | Episode 10 | 2022-04-15 | min |
| Season 1 | Episode 11 | Episode 11 | 2022-04-22 | min |
| Season 1 | Episode 12 | Episode 12 | 2022-04-22 | min |
| Writing | Yeon Sang-ho | Original Story |
| Directing | Kim Dae-jin | Director |
| Writing | Tak Jae-young | Writer |
| Directing | Kim Sang-woo | Director |
| Production | Jang Jung-do | Executive Producer |
