Eul Soon gets questioned at the police station, but Philip comes to her rescue. As they get out of the police station, they meet an old friend of Philip and discuss about which other friend would hold a grudge on him. Meanwhile, Sung Joong visits Eul Soon’s house to tell her something.
필립에게 "집이 위험해요!"란 말을 남기고 경찰서로 잡혀간 을순.
이수정 살인사건과 기은영 실종사건의 참고인이 된 을순에게 유일한 알리바이는 까만 봉지를 썼던 필립인데..
乙順因為奇恩英失蹤案被叫去了警局，被懷疑是殺害了李秀晶的人，此時弼立出現在警局替乙順解圍，但也讓乙順發現原來戴黑色塑膠袋的男人就是弼立。兩人順利離開警局後，弼立去找了以前的朋友，想找出究竟是誰想害他。
