
2020 – 2021
16 Episodes
65 min
| Ep 1 | Ep 2 | Ep 3 | Ep 4 | Ep 5 | Ep 6 | Ep 7 | Ep 8 | Ep 9 | Ep 10 | Ep 11 | Ep 12 | Ep 13 | Ep 14 | Ep 15 | Ep 16 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 9.0 | 8.5 | 9.0 | 9.0 | 9.0 | 8.0 | 8.0 | 8.5 | 8.5 | 9.0 | 8.0 |

Namkoong Min
Do Jung-woo

Kim Seol-hyun
Gong Hye-won

Lee Chung-ah
Jamie Layton

Yoon Sun-woo
Moon Jae-Woong

Kim Chang-wan
Gong Il-do

Shin Jae-whi
Lee Tae-soo

Kim Won-hae
Hwang Byeong-cheol

Lee Sin-young
Jang Ji Wan [Police]

Jung Dae-ro
Baek Hyun Su

An Si-ha
Jo Hyun-hee

Bae Hyun-kyung
Kang Yoon Sung

Baek Ji-won
Lee Taek-jo

Yoon Kyung-ho
Lee Ji-wook

Kim Ki-nam
PD Noh

Choi Dae-chul
Yoon Seok Pil [Police]

Kang Rae-yeon
Min Yu Ra [Police]

Choi Jin-ho
Son Min Ho

Kim Tae-woo
Oh Jung Hwan

Jeon Guk-hyang
Jeong Ok Sook [Hye Won's mother]

Jang Hyuk-jin
Jang Yong Shik [CEO]

Jo Hye-won
Sun Geul-nyeo
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.