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.