While his girlfriend is away on a trip, retired assassin Bang Ui-kang is tasked with looking after her friend's 17-year-old daughter. After a street attack, Bang Ui-kang becomes embroiled in a murder investigation and dangerous trafficking gang.
Is The Killer on Netflix? Yes! The movie The Killer is now on Netflix in the countries listed below.
| Writing | Nam Ji-Woong | Writer |
| Directing | Choi Jae-hoon | Director |
| Art | Kang Dong-hun | Production Design |
| Camera | Kang Sang-hyup | Key Grip |
| Costume & Make-Up | Choi Min-seon | Makeup & Hair |
| Sound | Jeong Hyun-soo | Original Music Composer |
