Mo Xiaofan, a young man from the mortal world, accidentally obtained the entry order for cultivating immortals, and broke into the world of cultivating immortals with his best friend Fat Hu. Along the way, they meet the cold beauty Chu Qingning, the bragging master Guo Daoren, and the mysterious villain Lu Wuyou. Mo Xiaofan relied on wit and humor to resolve the crisis and embarked on the road of growth. After experiencing sect tests, adventures in foreign lands, turmoil in the six realms and the ultimate catastrophe, he finally understood the true meaning of cultivating immortality. The story runs through friendship, love, intrigue and growth. From beginning to end, it depicts a little character who faces the storms of life with a relaxed but firm pace. In the end, a hundred calamities were reunited, and the six realms ended with a smile.