Hyeon-su's Deal
Determined to save the trafficked victims and to learn the identity of his father's accomplice, Hyeon-su puts himself at risk with a call to the police.
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More from this season
S1 E1
My Dad Tried To Kill Me
When a young boy accuses his father of trying to kill him, Cha Ji-won investigates. An unwelcome reminder of Do Hyeon-su's past walks into his shop.
S1 E2
Missing Thumbnails
The police wonder whether they have a copycat killer on their hands when a dead woman is discovered with an unusual injury. Kim Moo-jin remains tied up.
S1 E3
Something is Off
A man is found murdered inside a restaurant. Hyeon-su is caught off-guard when Ji-won and her team show up at Moo-jin's apartment.
S1 E4
The Real Culprit
Ji-won tracks down Hyeon-su's sister. Hyeon-su and Moo-jin scheme to keep an incriminating photo out of the police's grasp.