The blind swordsman, skilled in martial arts, named Cheng Xiazi (Xie Miao), accidentally saves Zhang Xiaoyu (Yang Enyou), who has suffered from the destruction of his family. Under the persuasion of the orphan Xiaoyu, Cheng reluctantly keeps him by his side and teaches him skills. Xiaoyu also waits for the opportunity to seek revenge.

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.

Sima Nan leaves behind a successful business career to pursue justice. Armed with exceptional investigative skills and a steadfast commitment to fairness, she takes on cases regardless of the victim's status, leading her team to uncover the truth and seek justice for the dead.

After villager Gu Dahe reports criminal leader Wei Tianlang, he mysteriously disappears, and his sister dies under suspicious circumstances. Amid a nationwide anti-crime campaign, Lei Yang, captain of the criminal investigation unit, steps in to uncover the truth and bring justice.

Li Hongqi, a righteous Northeast police officer, accidentally discovers the existence of local bullies involved in pornography. As the investigation deepens, a gang of local tyrants who control and oppress women with drugs emerges and openly provokes the police. Li Hongqi has decided to fight to the end, and is bound to eradicate this "pornography tumor".