Zhou Kai (played by Wang Kai) participated in smuggling and was arrested and imprisoned by his younger brother Zhou Chao (played by Ma Tianyu), an anti-drug policeman. Three years later, Zhou Kai was released from prison and reformed. His former subordinate Acang (played by Yu Ailei) has become the leader of drug traffickers. In order to obtain Zhou Kai's overseas customer information, he designed to harm Zhou Kai. Good brothers in the world of martial arts...