Park Jimin. A single parent with a daughter, Kim Jiyeon. His late husband, Kim Namjoon, was died years ago because of an accident and leaving him and their daughter alone. Jimin was having a hard time to become his real self after his husband's death, but he made it because of Jiyeon. He also said to himself that he won't open his heart to other person. But, it's not last long until he met Jeon Jungkook, a handsome man who helped him once. Since that, Jungkook wanted to know Jimin more closer and slowly, Jimin started to open his heart for Jungkook's loves after he sees how much Jiyeon loves Jungkook. Suddenly, something revealed up and Jimin's heart broken up again. "I know I'm just a single parent, but you don't have any right to do something like this to me!" "Well, you just being in my game since the first time we met." What is the 'something' thing?