Behind the prosperity of modern cities, there is a mysterious world of strange secrets. Mu Zixuan, a young Qimen warlock, relies on his unique talent and perception of secret arts. While exploring a series of bizarre events in the city, he encounters mysterious power fluctuations originating from ancient legends in an abandoned amusement park, which actually leads to Zhu Yan, who symbolizes military chaos in "The Classic of Mountains and Seas". Reporter Pei Wentao, retired special forces soldier Zhuang Yan, and Qimen ancient books collector Qin Yu join hands with Mu Zixuan due to the intertwining of fate. Since Zhu Yan appeared in the amusement park and caused a riot, they have successively encountered many challenges from strange things and strange beasts from the Book of Mountains and Seas, from the nine-tailed fox that charmed everyone to disrupt the urban order, to Bi Fang who brought the power of fire to wreak havoc on the streets. Mu Zixuan uses strange skills to deal with the crisis, Pei Wentao uses the media's perspective to dig out the truth, Zhuang Yan protects his companions with his combat skills, and Qin Yu solves the mystery based on the wisdom of ancient books. In the dangerous urban legend, they gradually come into contact with the core secrets of their origins in the mysterious arts and the Classic of Mountains and Seas. Each thrilling confrontation is a difficult trial to get closer to the truth and protect the peace of the city. In the end, whether they can successfully defeat the conspiracy is still an unknown mystery hanging over the city.
