갑작스레 사라진 피해자를 미행하는 의문의 남성과 조우하는 해준. 그리고 미숙을 의심하는 윤영. 둘의 생각이 계속해서 평행선을 달리는 사이, 모든 예상을 뒤엎는 의외의 인물이 피해자가 있던 곳에 나타난다.
Now that Yoong-young has developed trust in Hae-jun, she believes it's crucial to disclose her relationship with Soon-ae and Hee-seob to him. With the missing pieces of the puzzle given to him, Hae-jun finally comprehends the reasons behind Yoon-young's fixation on Soon-ae. More importantly, Hae-jun proposes an alternative perspective on what could have occurred to Yoon-young's mother, leaving Yoon-young stunned at her own foolishness for losing hope.