Synopsis：Jiang Wei has been in love with Zhou Xu for 12 years and been married for eight years. After accompanying him to become successful and famous, he cheated on his young secretary and was despised for not being young anymore. When the heartbroken Jiang Wei was packing her things, she found the affectionate diary of 18-year-old Zhou Xushen. The two actually had a conversation across time and space. The young boy Zhou Xushen hated himself in the future. After Jiang Wei became pregnant, she was forced to have an abortion by Zhou Xushen. The young boy Zhou Xushen traveled through time to protect her carefully. As an adult, Zhou Xushen suddenly came to his senses and tried his best to save him, but Jiang Wei only cared about him as a young man. In the end, the young boy Zhou Xushen disappeared, returned to the past and chose not to fall in love with Jiang Wei. Twelve years later, Jiang Wei found happiness in food, while Zhou Xushen was lonely and regretful for the rest of his life.