Kim Sunggyu and Henry Lau were twins.They really closed like a glue but they liked the same person,Nam Woohyun.Henry hated Sunggyu because he knew both of them liked Woohyun.One day,Sunggyu found something in Henry bag and that made him not believe at Henry.Woohyun believe in Henry and they started to ignored and hate Sunggyu because he doesn't believed his own brother.Sunggyu willingly to do anything as long Henry return back to his old self.What will happened to their relationship if they found out that Sunggyu had a disease that can lead to the death?