During the Tang dynasty, evildoers make trouble in the world. To capture the most precious treasure, the Japanese evildoers frequently disturb people's mind with magic, causing the suspicious death of innocent people. People are in a panic. To protect the peace of the world, the emperor sets up the "Imperial Guards" and sends Qin Shubao to take action secretly to catch the evildoers......

5000 years ago, Chihou was defeated by Huangdi and sealed somewhere deep in the East China Sea. The landscape of the world was hence settled down. 3000 years after that, having undergone a personal cultivation in Kunlun Mountain, the young Li Jing was asked to go down the mountain and eliminate the demons in the world. On his way, Li Jing made acquaintance with Jiang Ziya, a wise man, Feng Shi, a young girl, and Ao Guang, a flood dragon. They found the city lord of Dahuang let demons slaughter citizens and even wanted to resurrect Chihou, throwing the world to hell. The four of them hit it off and were determined to bring the demons under control to save the world from catastrophe. The war between good and evil was waged....