Young-won and Sa-kang question what Se-na’s motives could have been for approaching Jae-jin. Sa-kang believes Se-na was targeting her, but Young-won thinks otherwise. Meanwhile, filled with more hatred toward Jae-jin than ever, Young-won shifts her focus to protecting her son. The pieces of the puzzle begin to fall into place, revealing the essence of Jae-jin’s disappearance, but Young-won’s anxiety only grows.