Ye Jingyue, a resident of the Heavenly Court's Space-Time Hall, accidentally transmigrates into a book and becomes the long-lost biological daughter of a marquis's household. She can foresee her family's tragic fate, and her inner thoughts can also be heard by her mother, older brothers, and male cousin. Relying on her predictions, she repeatedly averts disasters, exposes the schemes of the fake heiress, her scumbag father, and her father's concubine. She helps her family escape being harmed and manipulated. Guided by her warnings, everyone gradually awakens and fights back, while those harboring evil intentions suffer the consequences of their own schemes. As they spend time together, Ye Jingyue and Gu Jingchen fall in love. During their wedding, she is summoned back to the Heavenly Court, only to discover that Gu Jingchen is actually the Supreme God who descended to the mortal realm to undergo a trial. In the end, the two reunite and remain together in the Heavenly Court.