S01E01 Crazy Dog
A young university student Baek Ji-eun gets kidnapped and killed. The investigating detective is Sung-jun and the judge of this case also happens to be his brother, Sung-hoon. Although Sung-jun finds a suspect, the court...
Blind
S01E03: The Children Who He Abandoned
Sung-jun wakes up after getting hurt from the hostage situation. But the only things that greet him are his parents’ nagging and the news of another woman’s death. While the public believes the second murder is done by a copycat killer, Sung-hoon gets a hunch that Man-chun is innocent and that there truly is someone else behind the Joker cases.
Overview
A homicide squad detective, suspected of serial murder, searches for the real culprit.
Episodes
S01E02 You Should Give Up Hope As Long as You're in Here
The jury reaches a verdict that Man-chun is guilty and is sentenced to a lifetime in prison. Just when everyone believes that it is now over, Man-chun manages to escape from his convoy and searches...
S01E03 The Children Who He Abandoned
Sung-jun wakes up after getting hurt from the hostage situation. But the only things that greet him are his parents’ nagging and the news of another woman’s death. While the public believes the second murder...
S01E04 A Very Old Future
The jurors are being targeted as the Joker murderer’s victims. As Ki-nam and Moon-kang learn that the cases are related to Hope Welfare, they collect evidence to find their daughters’ killer. Eventually, their investigation leads...
S01E05 A Certain Promise
Sung Jun manages to escape from Moon Kang thanks to Eun Ki. As she believes that Sung Jun is not the killer of the Joker Murders, she helps him clear his name. However, the public...
S01E06 The Enemy Is Near
Sung Hoon believes that Sung Jun is not the culprit. Not because they are brothers, but because the current evidence is not enough, and that new evidence starts emerging. Kwon Yu Na gets attacked by...
S01E07 The Children Who are Called by Numbers
The jurors gather at Kang Young Ki's daughter's wedding while new clues put them into disarray. With everyone gathered, another incident ensues and makes everyone anxious. Was everything planned in detail to get the jurors...
S01E08 Murder Notice
The murder at the wedding has everyone scrambling. An Tae Ho gets spotted on surveillance footage, and the police put an APB on him. Meanwhile, Sung Jun chases after An Tae Ho but loses him....
S01E09 Square One
Sung Jun and Sung Hoon are too late, and the "Save Me" event ends in tragedy. However, it's still not over. They get confronted by Moon Kang and his men and almost lose their lives....
S01E10 The Child Who Survived
Sung Jun finds out Eun Ki's mother had worked as a nurse at Hope Welfare Center. To further investigate, Sung Jun goes to meet her. When he finds her, Eun Ki's mother shakes nervously. That...
S01E11 The Ultimate Suspicion
Sung Jun tracks down Sung Hoon to save Eun Ki, but his suspicions are wrong. However, Sung Hoon's story doesn't add up, and Sung Jun still feels like Sung Hoon is hiding something. While tailing...
S01E12 Another Person’s Life
Sung Hoon recovers in the hospital after getting stabbed by the culprit. Sung Jun confronts Chief Yeom about Hope Welfare Center and gets told to find out from his mother, Minister Na Guk Hee. Meanwhile,...
S01E13 The People Who Disappeared
Eight people, including Eun Ki, suddenly disappear. Could the culprit they've been after all this time be responsible for gathering the eight people in one location? Or could it be a different culprit? Will Sung...
S01E14 In Search For Lost Time
The eight people held captive and on the brink of death make it out alive. Sung Jun arrests Jung In Seong and takes him into custody. However, he needs more evidence to connect him to...
S01E15 The Designer
Sung Jun regains his memory. His suspicions against his brother were true. He questions Jung In Seong for more answers to guess Sung Hoon's next move. Meanwhile, shortly after Sung Jun learns through a court...
S01E16 The Final Judgement
It turns out Sung Hoon and Sung Jun’s parents are taking a big part in the secret behind Hope Welfare Center. Despite the sorrow, Sung Jun must arrest both of his own parents. After their...
Cast
Ok Taec-yeon
Ryu Sung-jun
Ha Seok-jin
Ryu Sung-hoon
Jung Eun-ji
Jo Eun-gi
Park Ji-bin
Jung In-seong
Jeong In-gi
Yeom Gi-nam
Kim Pub-lae
Baek Moon-kang
Kang Na-eon
Kwon Yu-na
Oh Seung-yun
Chef Charles
Choi Hong-il
Ryu Il-ho
Jo Kyung-sook
Na Gook-hee
Baek Seoung-hee
Yeom Hye-jin
Cho Seung-yeon
Bae PD / Bae Cheol-ho
