오 팀장은 하빈의 동선을 추적하고, 어진 역시 수사 원칙을 어긴 태수에 크게 실망한다. 한편 딸의 알리바이가 거짓이었음을 알게 된 태수는 충격에 휩싸이는데.. 송민아가 죽은 날, 하빈은 어디에 있었나.
Jung-hwan and Yong-soo visit Ha-bin at her place to interrogate her and see Tae-soo there. Tae-soo goes around trying to check Ha-bin's alibi on the 11th. He finds dashcam footage of Ha-bin that goes against her alibi. Ha-bin suggests to Tae-soo that they move, but Tae-soo insists on staying until he catches the real culprit. Meanwhile, cops find a stash of cash in Tae-soo's car and accuse him of accepting bribes.
