Jinyoung nearly ruined the Shindeul couple by cheating with Shinwoo, but gets pregnant with Shinwoo's child because (he decides) it's his punishment. To keep it a secret he leaves the band raises his small son Shin Su Min away from the others till Shinwoo finds him and becomes the father Jinyoung could never be. Rather than falling in love agin- Jinyoung learns to let Su Min's father be apart of his life again.