Baekhyun lived alone with his father, who almost never came home. After all those years of loneliness and struggling to handle with the death of his mother, his world gets flipped upside down when he meets his stepmother and to his surprise: his one-year-younger half-borther. The only one who can help him is his best friend, Chanyeol. What Baekhyun doesn't know, is that Chanyeol has a problem, too.