In the 13th episode of TVN 'Kill Heel' broadcast on the 20th, it was revealed that Ok Sun (Kim Sung-ryung) revealed that his son Chung Hyeon (Yoon Hyun-soo) was the son of Kim Mo-ran (Lee Hye-young).
Jung Hyeon and other adults knew that Chung Hyeon did not know about his adoption at all, but Chung Hyeon knew everything. Chung Hyeon was being consulted by a psychiatrist.
Chung Hyeon said: "I heard relatives talking as an elementary school student, so I'll try harder. I thought I should study better than others and listen to my words better, and I should be a good son no matter who looks at it. "
Chung Hyeon went on: "I couldn't forget the look my mother looked at when I was very young; I knew instinctively: I'd be abandoned anytime, so I tried harder."
"That's when my mom laughed at me, and I'm trying. She's laughing at me," he said. "It's good with my mom now.