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.

• Climax Studios
• STUDIO706
• Kim Woo-bin
• Kim Sung-kyun
• Lee Hyun-gul
• Park Ji-yeol
• Lee Jung-ok
• Kim Yo-han
• Kang Hyung-suk
• Cha Wang-hyeon