Jisung and Soa have been friends since childhood. Jisung has always been there for her, taking care and protecting her even at such fragile age. Soa only had her mother, but one day she decides to take her life, leaving Soa by herself. That's when her aunt appears in the image and has to take her niece in America, where she lives and works. Soa doesn't want to leave for one simple reason. Jisung. She made a promise to him, that she will forever stay by his side no matter what. Unfortunately,