Young Ho, Joon Sung, and Ji Woong live as Joo Eun for a day to celebrate her weight loss. Soo Jin is saddened by Woo Shik paying more attention to Joo Eun than her.

Joo Eun feels deceived when she finds out about Young Ho's family business. Woo Shik take a step closer to discovering John Kim's true identity and disrupting Gahong's transition.