A talented martial artist who can't walk past a person in need unites with a probation officer to fight and prevent crime as a martial arts officer.
Director:
Writer:
Kim Woo-bin
Lee Jung-do
Kim Sung-kyun
Kim Sun-min
Lee Hyun-gul
Kang Ki-jung
Park Ji-yeol
Cho Min-jo
Lee Jung-ok
Han Byung-soon
Kim Yo-han
Moisture
Kang Hyung-suk
Writer K
Cha Wang-hyeon
Earthworm
Lee Hae-yeong
Lee Sang-woo
Kim Ji-young
Ha Sun-jung
Kang Seung-ho
Kim Min-wook
Son Sang-yeon
Lee Yang-ho
Park Jong-hee
Kim Gum-nam
Choi Funny
An Joong-ho
Kim Yool-ho
Police Sergeant Choi
Ji Jin-hee
President
Lee Jung-hyun
Self-defense Shop Clerk
Kwon Il-yong
Profiler
Ahn Chae-heum
Lee Min Ju
Kim Kyu-na
2F girl
![Newbie officer hasn't memorized the Miranda warning yet [ENG SUB]](https://img.youtube.com/vi/BwLN7SnjLz0/mqdefault.jpg)
Newbie officer hasn't memorized the Miranda warning yet [ENG SUB]
![Kim Woo-bin follows the ankle tag signal [ENG SUB]](https://img.youtube.com/vi/O3VbqLp0IOM/mqdefault.jpg)
Kim Woo-bin follows the ankle tag signal [ENG SUB]
![Kim Woo-bin is ambushed by a group of thugs [ENG SUB]](https://img.youtube.com/vi/uCeIHmWYTFs/mqdefault.jpg)
Kim Woo-bin is ambushed by a group of thugs [ENG SUB]
![Exclusive Preview - Excited new officer gets his first ex-con [ENG SUB]](https://img.youtube.com/vi/qqc_0yDHDkk/mqdefault.jpg)
Exclusive Preview - Excited new officer gets his first ex-con [ENG SUB]
![Inside Look with Kim Woo-bin [ENG SUB]](https://img.youtube.com/vi/2yHfsgylQbQ/mqdefault.jpg)
Inside Look with Kim Woo-bin [ENG SUB]
![Official Trailer [ENG SUB]](https://img.youtube.com/vi/WNkGz6aKFvk/mqdefault.jpg)
Official Trailer [ENG SUB]
![Official Teaser [ENG SUB]](https://img.youtube.com/vi/7Zw-qPlydTI/mqdefault.jpg)
Official Teaser [ENG SUB]
