Total Seasons :1Total Episodes : 12
A superhero drama about Soo-yeol who has lived his whole life as a materialistic police detective, but changes into a champion for justice and fights against police corruption when a hidden persona called "K" awakens inside him.
Police officer Oh Kyeong tae tries to help a small girl by solving the case of her missing mother and suspects the involvement of some upper hands. Corrupted senior inspector Ryu Sooyeol is stalked and threatened by a crazy stranger while trying to help the culprits.
Air Date : 2021-12-17
Ryu Soo Yeol digs deeper into the case, while Oh Kyeong Tae is wrongly framed for the murder. Amidst the dilemma between justice and success, following some valuable information received from officer Lee Hui Gyeom, Ryu Soo Yeol once again faces the crazy stranger.
Air Date : 2021-12-18
Air Date : 2021-12-24
Air Date : 2021-12-25
Air Date : 2021-12-31
Air Date : 2022-01-01
Air Date : 2022-01-07
Air Date : 2022-01-08
Air Date : 2022-01-14
Air Date : 2022-01-21
Air Date : 2022-01-22
Air Date : 2022-01-28
(Ryu Soo-yeol)
(K)
(Lee Hee-gyeom)
(Oh Kyung-tae)
(Seo Seung-sook)
(Ryu Dong-yeol)
(Yang Jae-seon)
(Do In-bum)
(Boss Yong)
(Kim Kyung-joon)
(Kwak Bong-pil)
(Yang Jae-seon)
(Kim Kye-shik)
(Heo Jong-goo)
(Jung Chan-ki)
(Andrei Kang)
(Do Yu-gon)
(Nam Eun-seok)
(Yum Geun-soo)
(Kim Sung-ho)
(Ju Dae-won)
(Shin Joo-hyuk)
(Jeong Il-su)
(Ryu Soo Yeol / In Jae Hui [Young])
(Jung Yoo Na)
(Jung Hyun Soo)
(Shim Jung Hoon)
([Detective])
(Jung In Seon [Yoo Na's daughter])
(Lee Joo Hyun Tak Min Soo)
(Shim Sang Ho)
(Su Jan)
(Lim [Detective])
(Baek Young Joo)
([Eun Seok's mother])
(Jung Yoon Ho)
([General contractor])
(President Ma [Mobile funeral home boss])
([Yu Na's brother])
(Yoon Yi Seul)
(Ryu Dong Yeol [Young])
([Witness])
([Commissioner's nephew])
([Gang member])
(Park Yi Hyun)
(Shim Soo Hoon [Jung Hoon's brother])
([Soo Yeol's father])
(Ki So Yeon)
(Park Sung Gwan)
(Sung Bok Joon)
(Shin Joo Hyuk [Painter])
([Nurse])
(Dr. Hong Suk Kyung [Psychiatrist])
([Fight spectator])
([Apartment building staff])
([Bathhouse cashier])
(Kim Dong Gyun [Police officer])
([Police officer])
([Landlord])
([Apartment security guard])
([Yoo Na's neighbor])
([Disciplinary hearing officer])
([Disciplinary hearing officer])
(Mrs. Do)
([Street cleaner])
([NFS technician])
([Dong Yeol's girlfriend])
([TVC reporter])
([Attorney])
([Dream Youth shelter director])
([Detective])
([Beaten gang member])
([Suspect])
([Gyeong Jun's father])
([Detective])
([Friend of witness])
([Junkyard worker])
([Rehab center nurse])
(Woo Hyeok Jin)
([Prisoner])
([Junkyard guy])
([Gang member])
([Eyes Candy cashier])
([Nurse])
([Teacher])
(Ko Ga Young)
([Student bully])
([Student bully])
([Student bully])
([Student bully])
([Policeman])
(Keum Young Soo [Attorney])
([Detective])
([Detective])
([Social worker])
([Drug dealer])
([Motorcyclist])
([Police officer])
([Host bar owner])
([Jung Hoon's uncle])
([NFS medical examiner])
([Psychiatric patient])
([Psychiatric patient])
(Kang Sung Dae)
([Attorney])