I Came Here For A Reason - S1.E5

Sang Pil and Moon Sook face each other after revealing who they are. Sang Pil tells Moon Sook that he will see this case through. However, Moon Sook is not affected by his declaration. Jae I sees the two of them talking and is shocked to hear the truth. She has a hard time believing what she saw and starts to look into Moon Sook on her own. Sang Pil feels bad about Jae I and keeps an eye on her. Jae I finally finds out the truth about what happened 18 years, but it ends up causing her more trouble.