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.
as Ryu Soo-yeol
as K
as Lee Hee-gyeom
as Oh Kyung-tae
as Seo Seung-sook
as Ryu Dong-yeol
as Yang Jae-seon
as Do In-bum
as Boss Yong
as Kim Kyung-joon
as Kwak Bong-pil
as Yang Jae-seon
as Kim Kye-shik
as Heo Jong-goo
as Jung Chan-ki
as Andrei Kang
as Do Yu-gon
as Nam Eun-seok
as Yum Geun-soo
as Kim Sung-ho
as Ju Dae-won
as Shin Joo-hyuk
as Jeong Il-su
