Ja Hye and Na Ra find a clue leading to Seo Joon Hee’s whereabouts. Tae Suk eavesdrops on Young as he tells Joon Hee’s father about the DNA test results. Dong Bae and Young find the manufacturer of the badge Ja Hye gave him. Meanwhile, Tae Suk orders Hak Bum to sell the car they drove on the day they attempted to kill Joon Hee.
똥배가 준희 실종 사건의 진실을 감춘 채 사라지자, 독고영은 배신감에 분개하며 후배 형사 똥배를 쫓는다.
한편 자혜와 나라는 준희 실종에 대한 단서를 포착하는데..!