Zheng Yaokun was arrested by police for an illegal deal with the cultural relics dealer Zhu Laowu by blind means. The cultural relics accidentally fell into the hands of designer Li Jun when he fled. From then on, a crazy game in which Zheng Yaokun looked for Li Jun, Zhu Laowu looked for Zheng Yaokun, and Li Jun assisted the police in handling the mantis catching cicadas and cardinals.

Pu Songling, a legendary demon hunter, is asked to investigate the mysterious disappearances of young girls from a small village. When he discovers evil forces are kidnapping the girls to feast on their souls, he sets out to save humanity from the inhuman invasion journeying through hidden worlds and colorful dimensions.

After war with demons The Great Shennong, Divine Farmer and Father of the Gods, used hell furnace to create mysterious jade sword. With help of this blade he sealed the demon king in Purgatory Well and passed the three artifacts to the Moyue tribe, the Xuanwu tribe, and the Xiuxianyuan respectively. Thousands of years later, the god king fell, and the Xuanwu clan launched a war to seize the artifacts for greater strength, regardless of the ancestral training.