Peng Fei and Xia Feng were an enviable pair of college lovers. Even Xia Feng herself believed that getting together after graduation was a natural thing. However, Peng Fei disappeared for no reason as graduation was approaching... Finally, there was definite news that she had married Xia Feng's best brother Wei Jicheng.
Seven years later, divorced young writer Peng Fei and Xia Feng, who was married and had children, reunited in their old place. It was relatively hard to explain, but she never had the courage to uncover the mystery of her lover's "transference" until the end, when Peng Fei committed suicide by lying on the train. But this person has passed away, and love can only remain in vain!