While unraveling an enigmatic murder mystery, a special force leader realizes this case is related to the incident that took 28 years ago in a small town.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 2020-11-30 | 70 min |
| Season 1 | Episode 2 | Episode 2 | 2020-12-01 | 70 min |
| Season 1 | Episode 3 | Episode 3 | 2020-12-07 | 70 min |
| Season 1 | Episode 4 | Episode 4 | 2020-12-08 | 70 min |
| Season 1 | Episode 5 | Episode 5 | 2020-12-14 | 70 min |
| Season 1 | Episode 6 | Episode 6 | 2020-12-15 | 70 min |
| Season 1 | Episode 7 | Episode 7 | 2020-12-21 | 70 min |
| Season 1 | Episode 8 | Episode 8 | 2020-12-22 | 70 min |
| Season 1 | Episode 9 | Episode 9 | 2020-12-28 | 70 min |
| Season 1 | Episode 10 | Episode 10 | 2020-12-29 | 70 min |
| Season 1 | Episode 11 | Episode 11 | 2021-01-04 | 70 min |
| Season 1 | Episode 12 | Episode 12 | 2021-01-05 | 70 min |
| Season 1 | Episode 13 | Episode 13 | 2021-01-11 | 70 min |
| Season 1 | Episode 14 | Episode 14 | 2021-01-12 | 70 min |
| Season 1 | Episode 15 | Episode 15 | 2021-01-18 | 70 min |
| Season 1 | Episode 16 | Episode 16 | 2021-01-19 | 70 min |
| Directing | Kim Jung-hyun | Director |
| Crew | Heo Myeong-haeng | Fight Choreographer |
| Writing | Shin Yoo-dam | Screenplay |
| Production | Son Ki-won | Producer |
| Production | Kim Nam-pyo | Producer |
| Production | Kim Jae-heon | Producer |
| Directing | Lee Soo-hyun | Director |
