S1, E4: Sun Hee and Keum Hee go on a memorable trip to Jeju with Yoon Do Hyun, who reveals that he has long been a massive fan of Sun Hee. They talk about how they first met and thought about each other as fellow singers. While they have an honest talk, they discover some facts about each other that they didn’t know before. Enjoy the trip to Jeju with beautiful scenery and music in your memories!