Shen Zhiyuan and Meng Shaosheng were childhood sweethearts, but when she heard that Meng Shaosheng told her friends that he only regarded her as a sister and not a man and a woman, she was disappointed but still wanted to confess her love. However, the male protagonist doesn't think he likes her that way. Shen Zhiyuan decisively re-examined this relationship and chose to focus on his studies and study abroad. When she returns five years later, she has transformed. But Meng Shaosheng was shocked to realize after she left that she had already been a special existence while growing up with her, and he had already fallen in love with her. Therefore, after the heroine returned, Meng Shaosheng launched a fierce pursuit. In the end, the two reunited and continued their love story.