A mysterious history book was bought by her grandfather from an auction and given to her as a birthday gift. When people looked at this tattered book, they all laughed secretly and said that the old man was confused. In people's eyes, this kind of unheard-of book was either unofficial history or a forgery. After the joyful birthday party, who would have thought that this ancient book disappeared without even her noticing it. On the tenth day after disappearing, a white-headed old man who called himself "Old Man Tianji" appeared in front of her and told her that the history book was related to the fate of a time and space. It disappeared because it was involved in the space cracks and happened to appear in the dynasty recorded in the book. If it is not brought back, the one who gets it will win the world, history will be rewritten, other spaces will be affected, the universe will be chaotic, and history will even disappear. So she shouldered the heavy responsibility and embarked on a journey to pursue books.