"Angel Eyes" Koo Hae Sun learned about the murder of Kim Yeo Jin. She learned that in the past, Jung Jin Young had murdered Kim Yeo Jin in the past.
On the 15th episode of SBS weekend drama "Angel Eyes" broadcast on May 31st, Yoon Soo wan (played by Koo Hae Sun) started to get extremely angry tt her father Yoon Jae Beom (played by Jung Jin Young).
On this day, Yoon Soo Wan coincidentally listened to the conversation between Yoon Jae Beom and Park Dong Joo (played by Lee Sang Yoon). Yoon Soo Wan learned that in the past. His father Park Dong Joo had killed Park Dong Joo's birth mother Yoo Jung Wha (played by Kim Yeo Jin) and was in deep shock.
Afterwards,Yoon Soo Wan came home and tried to act like nothing was wrong but in the end, he lost his calm. Yoon Soo Wan was angry and said, "Dad, why did you do this? Did you think that it was fine to kill someone as long as someone was dead?
At this, Yoon Soo Wan said, "My father killed Jung Wha. Whenver I looked at him, I don't know why I did this but regardless, I couldn't turn back" and started to repent. Yoon Soo Wan said, "Evn if Dong Joo said he would forgive dad, I wouldn't. I can't forgive you until the day that dad died. I won't forgive him." He was in despair.