Kill Me, Heal Me Episode 15

Do Hyeon’s mother orders her men to retreat fearing being exposed. Chief Ahn starts investigating about the owner of the villa Ri Jin was locked at. Ri Jin now is certain that she plays a part in Do Hyeon’s repressed memories, and she’s determined to regain her own forgotten past to help him heal. Do Hyeon asks Ri Jin to stop trying to recover her memories. Chae Yeon returns the engagement ring to Gi Jun and says there is someone else she wants to have. Ri On and Do Hyeon find out that the person who ordered for Ri Jin to be kidnapped is Do Hyeon’s mother. Ri On begs Do Hyeon to leave Ri Jin, and Do Hyeon agrees but asks for a favor. Ri Jin’s mother tells Ri Jin if she wants to know who her real parents are, but Ri Jin refuses to know. Do Hyeon fights with his mother and finds out that Ri Jin is not actually his sister. He then asks his mom to go with him to America. Turns out that Do Hyeon’s condition to letting Ri Jin go is to have one final day with her. (Source: MyDramaList)