The heroine Lin Yuan, who is about to enter her third year of life, is like many young women who are unmarried and do not want to get married. She has an unforgettable and profound memory with someone she cannot ask for. In this society that is particularly harsh on women, she both compromises and struggles, fighting against her family, against memory, and against love. She doesn't know how her story will be written, but she knows that no matter how many blank spaces or missing parts there are in love, one day, one person will fill it with love.