Mo Daxia, the personal bodyguard of the Emperor of the Tang Dynasty, pursues Wei Dakun, the number one killer, and travels through time and space to contemporary Hong Kong, where he is mistakenly arrested by the police as a mental patient.
The two had a grudge against the cold-blooded Poison King and were kidnapped to his lair. After going through many hardships, he was rescued by the scientific madman Professor Jos at a critical moment. Who would have thought that he would just leave the wolf's den and enter the tiger's mouth again.
Policewoman Leng Xingyue has a crush on Mo Jiuyan, but Hero Mo has a heavy responsibility and is in a dilemma. I don't know how their love spanning thousands of years will end.