Lin Xiaochen accidentally obtained the ancient divine sword and got involved in the power struggle among the immortal sect. He formed a hilarious brigade with medical cultivator Chu Yunyao, honest demon partner Pang Hu, and others. They traveled all over Lingzhou and experienced dangerous spies in secret realms, family separations, and fights between three factions. There were constant jokes but dangers everywhere. The characters are happy enemies, and each has their own growth and pain. Xie Wuyou works step by step to trap the protagonist, while the demon girl Gu Ling'er wanders between good and evil. The book progresses in three volumes: in the first volume, the team is formed and the grievances of the immortal family are solved; in the middle volume, the intrigues and love and hate are deepened, and the group portraits climax one after another; in the final volume, the formation is broken and the mystery is revealed, everyone reverses the situation and protects the immortal way together. The rhythm is lively, with humor, friendship and growth throughout. In the end, the sword laughs at the world and everyone joins hands to welcome the new world.