Season 1
12 episodes · first aired 2019-03-23
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | Episode 1 2019-03-23 | After an alleged drug trafficker, Yoo Dae-hun, is found dead, Hyun-jin enlists as an officer of the special investigative unit. She has her suspicions about the case and sights Soo-hyun, a killer disguised as a veterinarian, rescuing wild animals. | 2019-03-23 | 8.5 |
| 02 | Episode 2 2019-03-24 | Soo-hyun, Hyun-jin and a mysterious high-school girl reside in the same building. Meanwhile, the 'Red Mafia', a Russian mafia is connected to the case Soo-hyun is investigating. | 2019-03-24 | 8.0 | |
| 03 | Episode 3 2019-03-30 | Karimoff escapes Soo-hyun and Hyun-jin, and seeks a window to strike back. The man-behind is slowly revealed and Soo-hyun's memories begin to return and Karimoff holds Seul-gi hostage. | 2019-03-30 | 9.0 | |
| 04 | Episode 4 2019-03-31 | Karimoff escapes Soo-hyun and Hyun-jin, and seeks a window to strike back. The man-behind is slowly revealed and Soo-hyun's memories begin to return and Karimoff holds Seul-gi hostage. | 2019-03-31 | 9.0 | |
| 05 | Episode 5 2019-04-06 | Soo-hyun recalls a memory from childhood and visits an orphanage. Meanwhile, Hyun-jin starts to look into Seul-gi's traumatic past and becomes aware of her identity. | 2019-04-06 | 9.0 | |
| 06 | Episode 6 2019-04-07 | Hyun-woo recalls Jae-hwan's ambition and closes in on his neck tightly. Soo-hyun finds trouble and faces a divided path. | 2019-04-07 | 9.0 | |
| 07 | Episode 7 2019-04-13 | Soo-hyun questions the identity of his client, and threatens Phillip to source the information. Hyun-jin is placed on security detail and Soo-hyun assassinates Hyun-jin's client. | 2019-04-13 | 8.0 | |
| 08 | Episode 8 2019-04-14 | Soo-hyun learns of the terrible actions of Jae-hwan, and is confused. Soo-hyun uses Phillip to draw out his client as his memory slowly returns. | 2019-04-14 | 9.0 | |
| 09 | Episode 9 2019-04-20 | Soo-hyun chases the hard truth, and is forced to accept it as he learns of his past. Meanwhile, Do Jae-hwan is suspicious of Ji-hye and all plans are put at risk. | 2019-04-20 | 8.0 | |
| 10 | Episode 10 2019-04-21 | Soo-hyun tracks Ji-hye and crosses paths with Hyun-jin. Hyun-jin is attacked by an unidentified crew. Soo-hyun identifies his client. | 2019-04-21 | 8.0 | |
| 11 | Episode 11 2019-04-27 | Ji-hye disappears along with the secrets of the serial murder. Hyun-jin frantically searches for Ji-hye. Meanwhile, Hyun-jin learns of the relationship between Soo-hyun and Do Jae-hwan, and takes a step closer to Soo-hyun's identity. | 2019-04-27 | 10.0 | |
| 12 | Episode 12 2019-04-28 | Soo-hyun's identity is revealed to the police putting him on the run as a killer. Soo-hyun waits for an opportunity to kill his last target, but Hyun-jin begs him to stop. | 2019-04-28 | 9.0 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.