Gil Bok-soon leidt een dubbelleven. Ze werkt voor een huurmoordenaarsbedrijf en weet altijd haar doelwit om te brengen. Thuis is ze alleenstaande moeder met een vijftienjarige dochter. Het opvoeden van Jae-young verloopt moeizaam. Vlak voordat Bok-soon haar contract met het bedrijf gaat verlengen, raakt ze betrokken bij een dodelijke confrontatie.
| Directing | 변성현 | Director |
| Art | Kim Byeong-yeol | Set Decoration |
| Camera | Cho Hyoung-rae | Director of Photography |
| Lighting | Lee Gil-gyu | Lighting Director |
| Art | 한아름 | Production Design |
| Writing | 변성현 | Writer |
| Sound | Lee Jin-hee | Music |
| Costume & Make-Up | Kwon Su-kyung | Makeup & Hair |
| Sound | Kim Hong-jip | Music |
| Sound | 김병인 | Sound Designer |
| Editing | 김상범 | Editor |
| Costume & Make-Up | Kim Jung-won | Costume Design |
| Production | Mo Il-young | Producer |
| Crew | Jang Jae-wook | Martial Arts Choreographer |
| Visual Effects | Hong Jang-pyo | Special Effects Supervisor |
| Visual Effects | Kim Jung-soo | VFX Supervisor |
| Crew | No Hyeong-gi | Martial Arts Choreographer |
| Editing | 박진영 | Digital Intermediate |
| Production | Yi Jin-hee | Executive Producer |
| Sound | 박종근 | Production Sound Mixer |
| Costume & Make-Up | 황효균 | Special Effects Makeup Artist |
| Visual Effects | Jeong Jong-bae | Special Effects Supervisor |
| Art | Kim Yun-suk | Props |
| Art | Song Suk-ki | Set Decoration |
| Costume & Make-Up | 곽태용 | Special Effects Makeup Artist |
| Directing | Lee Tai-sung | Assistant Director |
| Camera | Hwang Chang-gi | Grip |
| Costume & Make-Up | 윤혜인 | Costume Design |
