Do-hoon starts to act strange when Chi-sook is around him or when she sends text messages to him. Chi-sook wants to know why and decides to ask Do-hoon herself. Mi-sook withdraws all the money from her bank accounts and starts to buy whatever she wants to have just for her and her mother. Meanwhile, Young-eun gets to find out the fact that Soo-wan and Yoo-jung were engaged even when Soo-wan was seeing Young-eun.
Casts:
Song Hye-kyo, Jang Ki-yong, Choi Hee-seo, Kim Ju-hun, Park Hyo-ju, Yoon Na-moo, Nam Kee-ae, Choi Hong-il, Cha Hwa-yeon, Moon Joo-yeon, Ju Jin-mo, Jang Hyuk-jin, Yoon Jung-hee, Sehun, Song You-hyun, Kim Bo-jeong, Ha Yeong, Shin Dong-wook, Yura, Shin Seung-hwan