AppearWhen young hotshot Han Ju-won arrives in town, he's assigned to partner with Lee Dong-sik, a maverick cop with a gruesome tragedy in his past.
Disappear
D2
DisappearThe discovery of an unidentified human skeleton raises unsettling possibilities. Dong-sik drags Kang Min-jeong back to town from a Seoul night club.
Smiled
D3
SmiledJu-won's suspicions about Dong-sik's involvement in the case intensify. The emergence of a mysterious cellphone places Ju-won in a tight spot.
Cried
D4
CriedComing up empty with Dong-sik's interrogation, the police root around Yoo Jae-i's butcher shop. Ju-won makes an explosive statement to the public.
The Deceit
D5
The DeceitA fight breaks out as Dong-sik prevents Kang Jin-muk from being taken advantage of. Oh Ji-hun is confronted about the night of the disappearance.
To Deceive
D6
To DeceiveJu-won agrees to Jin-muk's request to carry out his own unofficial investigation. Do Hae-won moves to put an end to the case and protect her son.
The Text Messages
D7
The Text MessagesPark Jeong-je does the right thing. The arrival of a second text from Min-jeong points Dong-sik toward someone who's figured out the truth.
The Arrest and Interrogation
D8
The Arrest and InterrogationNews of the killer's arrest scandalizes the town. The killer refuses to speak to anyone but Dong-sik and Ju-won. Their interrogation hits a nerve.
Bodies Found
D9
Bodies FoundFollowing a clue from an old video, Dong-sik searches desperately for his sister's remains. Ju-won and Jae-i each return after three months away.
Interrogating the Chief
D10
Interrogating the ChiefSeeing CCTV footage, Dong-sik is convinced he's figured out the real culprit behind the killer's death. Ju-won puts a GPS tracker on Nam Sang-bae.
Who Killed Sang-bae?
D11
Who Killed Sang-bae?Committed to getting to the bottom of the latest murder, the team pulls together — and considers two of their own as prime suspects.
Jeong-je and the Deer
D12
Jeong-je and the DeerThe truth behind the events from the night of Lee Yu-yeon's death begins to unravel. Jeong-je struggles to remember what happened.
The Next Commissioner General
D13
The Next Commissioner GeneralAs detectives begin to connect the dots, Han Ki-hwan's ties to the case become clearer. Dong-sik asks Ju-won if he can trust him.
Setting the Trap
D14
Setting the TrapDong-sik listens in on a conversation that brings to light many long-held secrets. A determined Ju-won sets out to uncover further truths.
Letting Go
D15
Letting GoAfter obtaining an astonishing audio recording, Ju-won resolves to pursue justice at any cost. Dong-sik and Ju-won question Lee Chang-jin.
Catch
D16
CatchIn the aftermath of another sudden killing, Dong-sik joins hands with Ju-won to bring down the guilty — and deliver necessary punishment.
