Plot introduction: Wang Zhen, an anti-narcotics police officer, made a mistake in an operation and caused his master to sacrifice himself. After Wang Zhen applied for a mission with his superiors, he used the drugs hidden in the car by the drug dealers as a stepping stone to successfully break into Uncle Meng's drug cartel, but found that the drug group was the cancer that the master wanted to destroy the most during his lifetime. Uncle Meng's daughter Meng Shuangzi just came back from abroad and fell in love with Wang Zhen while getting along with Wang Zhen. K-boy, who admires Shuangzi, regards Wang Zhen as the biggest threat to his superior position. Later, he cooperates with A Xiang, the mistress of Brother Hu, a Vietnamese drug supplier, and kills Uncle Meng when Uncle Meng takes Wang Zhen to Vietnam to discuss cooperation with Brother Hu. With Brother Hu, Wang Zhen fled at the last minute, but was framed by K Zai and Ah Xiang, who were actually the chess pieces of the drug lord Ghost Master. After Wang Zhen returned, K-boy chased and killed Wang Zhen unsuccessfully, but captured Xiaoqiang Tielin and stabbed Xiaoqiang's girlfriend. In order to rescue the two, Shuang Zi promises to marry K Zai. After Wang Zhen contacted the police, he made a plan and closed it at the wedding scene...
