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.
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
