Jeon JoonHo is a billionaire who was really thankful and in debt of life towards his savior Kim JaeHyuk. Because of that, he decided to arrange a marriage between their oldest sons, Jeon JungKook and Kim Taehyung. Jeon Jungkook who is dating a cute and beautiful model named, Park Jimin of course is so against the marriage. Taking an advice from his best friend, JungKook decided to accept the marriage. Putting an act as a happy and loving couple in front of others, JungKook determined to put Taehyung's life like in hell. JungKook being the cold and mean husband he is continue to treat Taehyung harshly until a guy came as Taehyung's first love. What will Jungkook do when he realized that his feeling has change? Will taehyung accept him?