Three years ago, Wu Gang was killed by drug cartel K for being involved in drugs. His son Wu Zhenfeng was expelled from the police for reckless violation of disciplines.Wu Zhenfeng was heartbroken and was blocked by his brother Chen Yu from leaving the country. The two were almost kidnapped on the way. Wu Zhenfeng was kidnapped by drug dealers to save Chen Yu and was never heard from again. At this moment, the fate of the two was completely changed.

Three years later, Chen Yu became an anti-drug policeman. Unexpectedly, Wu Zhenfeng returned again and was implicated in a murder case.After Wu Zhenfeng was cleared of suspicion, Chen Yu discovered that he was inextricably linked to drug trafficking groups.In order to completely annihilate the drug trafficking group, Chen Yu obeyed the instructions of his superior department and took off his police uniform to start a new journey in his anti-drug career.

At the same time, he learned that Wu Zhenfeng was actually a lone hero lurking in a drug cartel.Chen Yu and Wu Zhenfeng broke into the drug trafficking group one after another. The two cooperated tacitly and fought side by side. Finally, under the deployment of the public security, the drug trafficking group was wiped out.The two brothers continue to devote themselves to the public security anti-drug cause, never forgetting their original intentions and keeping their mission in mind.