'Secret Love Affair' Yoo Ah In broke up with his girlfriend for Kim Hee Ae.

On the ninth episode of the cable channel JTBC's "Secret Love Affair" which aired on April 14, 2014, when Oh Hye Won, played by Kim Hee Ae, and Lee Sun Jae, played by Yoo Ah In, were having a secret getaway at Lee Sun Jae's house, Lee Sun Jae's friends came over. Oh Hye Won went on to hide in the attic, and Lee Sun Jae greeted his friends. Lee Sun Jae said to his girlfriend, "Park Da Mi, you are not a girl to me. You know that too." Park Da Mi said, "I do, but if you ever go out with another woman, I am going to get mad. I know you did not do anything to me and that I was the only one who liked you, but you helped me become a better person." Lee Sun Jae said, "Please stop now. If you get hurt, all three of us are going to be hurt. You two are my only friends. And that is something I can never lose." Park Da Mi said, "Okay," and cleared up the air. In related news, cable channel JTBC's drama titled "Secret Love Affair" is a story of a forty something woman, Oh Hye Won, who is played by actress Kim Hee Ae, and a naïve genius pianist Lee Sun Jae, played by actor Yoo Ah In.