"True love has the habit of coming back. When you fall in love you cannot fall out of love but what if he or she reminds you of your painful past, will love still prevails?"

Park Boyoung is a DJ on a radio company. She is known as Ms. Love. She gave love advices to those who are sending their stories or love problems to her. One day, she received a letter from a guy who is still in love with his childhood bestfriend. While he was sharing his story to her, it reminds her of her own bittersweet love story. All the sweet memories were coming back to her as well as the pain she felt on when he broke her heart. After sending few letters, the ratings of her program shoot up so her company CEO decided to invite the guy on their radio station for a feature. When she faced him, he was surprised that the guy was her first love, Park Hyungsik. Will they continue their story or they will just put closure to every pain and memories they had?