A comic book storekeeper, Dae-man, and the legendary homicide detective, Tae-su, who met on previous case quit their jobs to open a private detective agency.
| Directing | Lee Eon-hee | Director |
| Lighting | Kim Chang-ho | Lighting Director |
| Sound | Dalpalan | Original Music Composer |
| Writing | Jung Han-Jin | Writer |
| Art | Bang Gil-sung | Production Design |
| Costume & Make-Up | Kwon Su-kyung | Makeup & Hair |
| Production | Mo Il-young | Producer |
| Art | Kim Hyung-jik | Set Decoration |
| Costume & Make-Up | Hong Su-hee | Costume Design |
| Sound | Song Yun-jae | Sound Supervisor |
| Production | Lim Myeong-gyun | Executive Producer |
| Costume & Make-Up | Seo Eun-kyung | Costume Design |
| Writing | Lee Eon-hee | Adaptation |
| Production | Jeong Tae-sung | Executive Producer |
| Crew | Park Young-sik | Martial Arts Choreographer |
| Editing | Kim Il-kwang | Digital Intermediate |
| Crew | Kim Won-jin | Stunts |
| Crew | Jeong Seong-ho | Stunts |
| Sound | Go Dong-hoon | Production Sound Mixer |
| Crew | Lee Sang-ha | Stunts |
| Art | Kim Soon-geun | Props |
| Crew | Lim Wang-sub | Stunts |
| Camera | Ki Se-hun | Director of Photography |