The cable channel JTBC's Monday Tuesday drama "Secret Love Affair" Yoo Ah In talked with his piano performance. On eleventh episode of the cable channel JTBC's Monday Tuesday drama "Secret Love Affair" which aired on April 28, 2014, Lee Sun Jae, played by actor Yoo Ah In, had friends over to his house, who worried about him so much at the rumor that he was dating his professor's wife, Oh Hye Won, played by Kim Hee Ae. On this day's episode, Lee Sun Jae's friends Son Chang Ho and Park Da Mi visited him at his house. They told Lee Sun Jae about what they have heard from Han Sung Sook, Oh Hye Won's boss. And they warned Lee Sun Jae to stop seeing Oh Hye Won. They said to Lee Sun Jae on Oh Hye Won and people around her at her work, "It seems like they are playing with people. Please do not get involved with these people." However, Lee Sun Jae, after hearing his friends' stories, approached the piano and played the concerto that he used to play with Oh Hye Won, alone. 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.