Ju-shin successfully transplants Jin-ju into Mo-mo's body. As she begins life as Mo-mo, her biological father searches for her, waiting and refusing to believe she's dead. Meanwhile, Jin-ju offers Ba-ra a job to work by her side, and Ju-shin grows drawn to Ba-ra as he senses something is off with Jin-ju.

Jin-ju seeks revenge on Ba-ra and tries to seduce Yong-jung while in Mo-mo's body. Meanwhile, Gwang-cheol continues to appear before Jin-ju, who now inhabits Mo-mo's body, pressuring her at every turn. Amid it all, Ju-shin and Ba-ra find themselves drawn into a tense, ambiguous moment as they head into the bedroom together.