U Ri and Sun Young realise Na Young is Su Ji's sister and Yoon Ja's daughter. Therefore, Sun Young wants to reveal the truth behind the videos of Su Ji and Na Young. Meanwhile, Yoon Ja barges into Na Young's apartment as she has nowhere to go after being kicked out of Jang Soo's house. Then she finds out Na Young is secretly dating Hyun Sung, hiding the fact that she is Su Ji's sister. (Source: Viu)