Lee Y/N is Kim Taehyung beloved wife's.They love each other so much.Their life full of happiness.But......there is someone who hated to watch them for entire of he life,Kim Baekhyun.He is Kim Taehyung beloved brother.They are so close,but when Baekhyun know that he beloved brother ,married with his ex girlfriend's he become mad and want to make Y/N for himself.He do everything that make Taehyung and Y/N divorce.In this war there is someone who always comfort and accompany Y/N when Taehyung come home late or busy with he new world,Kim HwanHee.He is Taehyung younger brother.He and Taehyung siblings not to close since Hwanhee is his step brother from his father mistress.Hwanhee mother already run away to another country because her find another man who is more rich than Taehyung father's.She leave Hwanhee because another man.Taehyung and Baekhyun hated him so much except Kim Daehyun,Taehyung second oldest brother.Daehyun and Y/N treat Hwanhee well,because of that Hwanhee gain  love to Y/N but he never told to anyone.What kind of love is this?Is Hwanhee going to confess to Y/N?Will Baekhyun plan will go well or opposite?What kind of secret that Y/N had kept?