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".

Pei Xing, known as the Jackal, once traded lives for money without emotion. After witnessing the powerful crush those fighting for justice, his sense of righteousness awakens. Now, he seeks revenge, punishing the wicked while facing off against other skilled swordsmans.

In 1930s Shanghai, a wrongly accused hero escapes death row and unravels a deadly conspiracy, battling enemies and uncovering a foreign plot that threatens his nation.