A serial killer reappears 15 years after his murder spree with a book detailing his crimes. The resentful cop who failed to catch him before is assigned to protect him. The families of the victims plan revenge. And as the media circus spirals out of control, a masked man called "J" appears claiming to be the real killer.
| Production | Lee Yong-hee | Producer |
| Writing | Jung Byung-gil | Writer |
| Directing | Jung Byung-gil | Director |
| Writing | Hong Won-chan | Adaptation |
| Production | Jang Won-seok | Executive Producer |
| Production | Seo Kang-ho | Line Producer |
| Production | Song Jung-min | Line Producer |
| Art | Yang Hong-sam | Production Design |
| Writing | Lee Young-jong | Adaptation |
| Costume & Make-Up | Chae Kyung-hwa | Costume Design |
| Directing | Choi Eun-jong | Assistant Director |
| Crew | Kwon Gwi-deok | Fight Choreographer |
| Crew | Shin Sung-il | Stunts |
| Writing | Jung Byeong-sik | Adaptation |
| Production | You Jeong-hun | Executive Producer |
| Camera | Kim Gi-tae | Director of Photography |
| Sound | Park Jong-geun | Production Sound Mixer |
| Lighting | Kim Gyeong-seok | Lighting Director |
| Visual Effects | Yoon Jae-hun | VFX Supervisor |
