'Secret Love Affair' Kim Hee Ae and Yoo Ah In spent romantic time together at her office after Yoo Ah In successfully finished his first concert. 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, and Lee Sun Jae, played by Yoo Ah In, after his performance ended, hid in the back stage and spent romantic time together. On this day's episode, Lee Sun Jae after successfully finishing his first concert visited Oh Hye Won at her office. She greeted him by saying, "I thought I was going to die running out of breath." Lee Sun Jae said he was able to finish the performance successfully after he found where she was in the audience. Oh Hye Won said, "Sit down, let's watch it again," and played the performance video on her laptop. Oh Hye Won and Lee Sun Jae watched the video together on a couch together, holding each other's hands. 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.