Kim Seokjin, a broken heart man who came to a magic fountain near Han River to make a wish. he wished to find a new love. Someone who could fix his broken heart. In the progress, he accidently heard someone make a wish, that someone named Kim Namjoon. His wish was a person in his class would finally noticed him and accepted his love. That accident meeting brought their friendship closer. Both of them shared their love life story. Both man, shared the same broken heart story.