When you happen to save the man that annoyed you the most and he wakes up with amnesia, what kind of love-hate relationship will it bring? Domineering CEO Ning Cheng Ming has a reputation for being a professor from hell. After a mysterious car accident, he is saved by Li Qian, a person that he hasn't seen in years. They were enemies. She was a witty student and now an all-around secretary

Five hundred years ago, Grandmaster Tianxuan sealed the King of All Demons, in exchange for a prosperous and peaceful world. However, the good times were short-lived. Demons lurked in the peaceful town of Qui Yuan, and cholera resurfaced. In order to protect justice and peace, the young demon hunters are eager to try their luck. A young man named Qian Youdao, who dreams of becoming the best demon hunter in the world, stands out from the crowd. But as a strange case comes to an end, they discover a shocking secret....