A by-the-book police officer is assigned to secretly investigate a team leader who believes that the rules shouldn't stop an investigation. As the officer investigates further, his own attitudes begin to mirror the team leader's.
| Sound | Jang Young-gyu | Original Music Composer |
| Editing | Nam Na-young | Editor |
| Directing | Lee Kyu-man | Director |
| Writing | Son Tae-woong | Adaptation |
| Production | Lee Han-seung | Producer |
| Sound | Lee Seung-yeop | Sound Supervisor |
| Costume & Make-Up | Kim Kyeong-mi | Costume Design |
| Writing | Joh Sasaki | Novel |
| Costume & Make-Up | Kwak Tae-yong | Special Effects Makeup Artist |
| Costume & Make-Up | Lee Hee-eun | Special Effects Makeup Artist |
| Costume & Make-Up | Lee Eun-ju | Makeup & Hair |
| Visual Effects | Yoon Dae-won | Special Effects Supervisor |
| Camera | Kang Gook-hyun | Director of Photography |
| Art | Chae Kyung-sun | Production Design |
| Crew | Choi Bong-rock | Martial Arts Choreographer |
| Lighting | Kim Hyo-seong | Lighting Director |
| Art | Kim Nam-ho | Set Decoration |
| Art | Jin Hoon | Props |
| Crew | Kwon Gwi-deok | Stunts |
| Crew | Ryu Seong-cheol | Stunts |
| Sound | Han Cheol-hui | Production Sound Mixer |
| Writing | Bae Young-ik | Writer |
| Production | Jung Hyun-ju | Executive Producer |
| Production | Kim Min-kyung | Producer |
| Directing | Lee Tai-sung | Assistant Director |
| Visual Effects | Kim Gwang-wook | VFX Supervisor |
