The witty girl Mu Xiaoru and the cold genius Yan Sui met again fifteen years later because of "Chuanyunjue". Mu Xiaoru, who was still in the bookstore in the last second, unexpectedly traveled to the world of the novel and was hunted down in the next moment. In order to find Chuanyunjue, Yan Sui could only enter the story with the book spirit Wanwan to save Xiaoru. In order to leave the time and space of the novel and help Yan Sui go home at the same time, the two worked together to fulfill the wish of the characters in the book to counterattack. As they got along, the two people who originally had their own thoughts gradually opened their hearts, and Yan Sui gradually let go of his obsession with going home for Xiaoru. However, after a big battle, Wanwan, who had been loyally guarding the two, suddenly lost consciousness. In order to eliminate all the aliens in the world of the novel, Yan Sui and Xiaoru were forced to enter the chaotic world. In the end, can they successfully awaken Wanwan and regain their vitality?