Heir of one of the richest family in Seoul, Namjoon grew up thinking that Kim Seokjin will be his husband when the time comes but got disappointed when his parents announced that the man he wants will be betrothed to another. And the man he will marry is Jung Hoseok, Seokjin's younger half brother. "Let me get this straight once and for all. I don't like you, I don't want you and I'm only doing this for my inheritance, I guess you know by now that the one I really want is..Seokjin."