Lin Xiaofan, who was born in an ordinary village, became a celestial being by chance. Although he has a low level of cultivation, he has overcome various "outrageous" tests with his naive optimism and wit, and has met his best friend Fat San, his arrogant senior sister Lu Qingxuan, and his eccentric master Mo Yan. In the training of the master, everyone gradually grew up, and while fighting against the mysterious evil cultivator forces, they revealed their own life experiences and the secrets of the fairy world. Lin Xiaofan and his partners experienced misunderstandings, friendship tests, love sprouting, master-disciple affection, confrontation between good and evil, and life choices, and finally ushered in self-transformation. The whole book uses a humorous and compact rhythm to connect ups and downs of adventure, allowing the characters to gain growth and understanding between laughter and tears.