Lin Bufan was just an ordinary boy in Qingyun Village. He accidentally obtained the remains of an ancient dragon and was forced to be involved in a century-old dispute in the world of immortality. Relying on his wit, humor, kind and optimistic character, and a group of strange partners, he went through various tricks and deceptions, outsmarted powerful enemies, and grew up while having fun. Along the way, he joined hands with Su Qingran and Fatty and went through three major stages. Enlightenment in the mortal world, competition between sects, and questions in the secret realm. During this period, the protagonist went from being ridiculed by his peers to becoming the focus of attention in the three worlds; friendship, love and power are intertwined; in the cycle of good and evil, he always maintains his true heart. In the end, with the climax of the three scrolls, the thousand-year mystery of the ancestral dragon was solved and self-transformation was completed. The whole book is unfolded in a relaxed, compact and humorous style, the plots are closely connected, and both laughter and tears coexist.