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.
1964
1983
2001
1989
2003
2018
2017
—
2020
2016
2007
2010
2021
1981
2004
2002
1994
