One day, after transmigrating, Xu Qingzhou obtains the Book of Relieving Worries and travels the world with three children, devoted to relieving women of their worries. From Tianshuang City to the Cangyue Country, he dispels the sorrow of lovesick girls, removes the illnesses of women in pain, and resolves the confusion of beauties in difficulty. Yet the path to longevity is long, and calamities rise and fall; he can save all living beings, but he cannot save himself from his own lovesickness — that one cicada, that girl, is the only obsession of his life.