Lin Duomei, a cheerful and optimistic young woman, seemed to be heaven's favored lucky girl. She was beautiful, kind, came from a wealthy family, and had received a good education. If she hadn't met Chen Xiaofei, whom she once considered her destined soulmate, her life might have been even more enviable. In the fourth year after she and Chen walked down the aisle, her older brother Lin Duojun finally decided to spend his life with his girlfriend, Wen Xin. Wen Xin had an unhappy childhood and a painful romantic past, and her hardships warped her personality. After the wedding, Wen Xin unexpectedly discovered that her brother-in-law Chen Xiaofei was actually her first love from years ago.