Jung Hyun joins Youngjingyo as the next heir who will replace Jae Young. Watching those inside who are merely waiting to face their death, Jung Hyun comes to the conclusion that she needs to take extreme measures. Meanwhile, Kyung Ho, after the release from the prison, pays Kyung Sook, his mother, a visit before the last phase of the experiment. Hyung In at the same time realizes the intention behind Kyung Ho's message.