The diary of the Republic of China received in a second-hand bookstore contains secrets: the faded handwriting will wander with the rain, and you can hear the breath of eighty years ago when you touch it. Lin Xiaoman discovered that the mark of the owner of the diary, Gu Qingci, was closely connected with the red marks of his childhood and the blue crystal in the pocket watch of watch repairman Shen Che.
When the camphor wood bookshelf turned into a study in the Republic of China, in the folds of time, she finally saw clearly - those overlapping scenes were cracks in time and space, and she had been involved in this century-spanning pursuit since she was born.
