'Secret Love Affair' Kim Hee Ae witnessed Yoo Ah In hugging his girlfriend Kyung Soo Jin. On the tenth episode of the cable channel JTBC's "Secret Love Affair" which aired on April 15, 2014, Oh Hye Won, played by Kim Hee Ae, received a text message from Lee Sun Jae, played by Yoo Ah In, saying that he misses her. When she got to the waiting room where Lee Sun Jae was resting before the concert began, she saw Lee Sun Jae's girlfriend Park Da Mi, played by Kyung Soo Jin, who came to see Lee Sun Jae to support him. Oh Hye Won also wanted to support Lee Sun Jae to do well on his first concert, but when she saw the two hug each other, she got bewildered and left the waiting room without a word. Oh Hye Won texted Lee Sun Jae, "I am where I can see you and hear you the best," and supported him. 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.