Han Gyeol finds out that her mother, Sun Young, committed suicide because her father, Sang Chul, was having an affair. After Han Gyeol learns her father has been cheating, she visits his father's mistress, Song Hwa, and shows her mother's suicide note to her. Meanwhile, Sang Chul is uncomfortable with Bok Nyu, so he goes to the employment agency to request to replace Bok Nyu with another housekeeper.