백문강은 딸을 죽인 정만춘에게 복수하기 위해 병원에 찾아온다. 신변의 위기를 느낀 정만춘은 진실을 폭로한다. 이 모든 걸 시켰다는 사람, 그는 바로 ‘윤재’. 백문강은 과거 ‘희망복지원’의 13번을 달고 있던 소년이 떠오른다. 그리고 성준이 13번임을 확신한다.
The jurors are being targeted as the Joker murderer’s victims. As Ki-nam and Moon-kang learn that the cases are related to Hope Welfare, they collect evidence to find their daughters’ killer. Eventually, their investigation leads to the idea that Ryu Sung-jun might be Jung Yoon-jae. Believing this as a fact, Moon-kang kidnaps Sung-jun.
Baek Mun-gang will sich wegen des Todes seiner Tochter an Jung Man-chun rächen und stellt ihn im Krankenhaus zur Rede. Jung Man-chun fühlt sich bedroht und enthüllt eine schockierende Wahrheit: Jemand namens „Yoon-jae” habe alles eingefädelt. Mun-gang erinnert sich an einen Jungen mit der Nummer 13 aus dem „Hope-Welfare-Zentrum” und vermutet, dass Ryu Sung-joon dieser Junge sein könnte.
