Behind a photo of Eun Young and Hyeon Joo, Eun Young finds several photos of Jae Yeol and her sister. She immediately realizes that Hyeon Joo and Jae Yeol were lovers. Meanwhile, Jeong Wan and Yoon Jin also find out that Eun Young is Yoon Jin’s ex-patient’s younger sister. Jeong Wan presumes that Eun Young faked her identity and entered Yoon Jin’s house to get rid of any evidence of the accident. However, Yoon Jin tells him that it seemed like Eun Young had no idea regarding her sister’s involvement in it.