On the seventh day after her grandmother was buried, Jiang Wan inherited a book called "No Taboo" that automatically added pages. Every page is a rule that cannot be violated: a wedding in a deserted village, an elevator in an old building, a river god extending his life... She and Lu Chenzhou followed the rules to find a way to survive, but found that all the strange things pointed to the same truth: Grandma left this book not to protect her, but to wait for her to become the next bookkeeper.
