A highly trained and exceptionally deadly swordsman looks for revenge after being caught in the middle of a power struggle that results in the assassination of an innocent woman's family.

Cheng Jie, chairman of a certain group, was instructed by a "master" to have sex with a woman to change his luck. He targeted Han Mei, a "single mother" employee of his company, and raped and injured her, leaving her in a vegetative state. Afterwards, he lied to the media that it was Han Mei who seduced him and asked his pregnant wife to cooperate in the play, successfully changing public opinion. Han Mei's sister, policewoman Qiu Yi Zhao, firmly believed that Cheng Jie was lying and started an investigation. In the process of collecting evidence, she encountered many obstacles from evil forces, and Cheng Jie's ugly face of a beast in human form gradually surfaced.

Local constable Xue Buyi keeps his distance from corrupt colleagues until he is framed for the theft of thousands of dollars in relief funds. Now he must choose: fight to clear his name or uphold the law he's sworn to obey.