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....

This drama tells the story of the narc undercover Chen Changping. In order to arrest drug lord Tan Xiaoshan's criminal gang, he lurks beside Tan Xiaoshan's only son, Tan Zilong, and repeatedly saves Tan Zilong's life, gaining Tan Zilong's trust. Chen Changping rescued Xiao Mei and her son who had their family be destroyed by a drug dealer. Chen Changping relied on Xiao Mei to communicate with Li Zhengbin. In the eyes of others, Chen Changping and Xiao Mei seem to be married. Chen Changping notified Xiao Mei to leave immediately when he was met with an accident, but was caught by Tan Xiaoshan. Tan Xiaoshan held Xiao Mei and Ming Ming hostage and cut off the means of contacting Li Zhengbin. Chen Changping could only make a desperate bet and sacrificed the unique code created by police officer Yu Zhenhai and Li Zhengbin to pass on the message. In order to ensure the safety of Xiao Mei and Ming Ming, Chen Changping had to risk the danger alone and went to the Zhaka drug base, which had coveted Tan Xiaoshan for many years, to negotiate and rescue Tan Zilong. At the last critical moment, Chen Changping and Li Zhengbin joined hands to capture Tan Xiaoshan and his son, and put an end to this “hunting operation.”...

...