Detective Taek-rok is ready to retire after an illustrious career in the police force, but one day he awakens to discover that he has been framed for a murder he didn't commit, and the real murderer blackmails him.
EPISODE 1
Episode 1
Detective Taekrok gets a prank call; the unknown caller says something he cannot ignore.
EPISODE 2
Episode 2
Taekrok is framed for murder and gets interrogated; he looks into the past cases he worked.
EPISODE 3
Episode 3
Taekrok is appalled by a mistake he made in the past and becomes suspicious of everyone around him.
EPISODE 4
Episode 4
Taekrok tells Jinhan about the blackmailer; he learns the blackmailer's identity, but danger awaits.
EPISODE 5
Episode 5
Seonga and Gyeongchan decide to help Taekrok, who realizes the blackmailer's target is not him.
EPISODE 6
Episode 6
Taekrok chases a man with the truth, but the man resists.
Lee Seong-min
Jin Goo
Kyung Soo-jin
Lee Hak-joo
Kim Hong-pa
Kim Tae-hoon
Han Dong-hwa
Yoo Sang-won
Jang Sin-ae
