Introduction: Anti-narcotics policeman Wang Zhen made a mistake in an operation that caused his master to sacrifice. He was devastated and was put on holiday by his boss Lao Zhong. He went to the Yunnan border to find his brother Xiaoqiang Tielin to relax, but he was inadvertently involved in the vortex of borrowing a car to transport drugs. After Wang Zhen and his superiors applied for the task, they used the drugs hidden in the car by the drug dealer as a stepping stone to successfully break into the Meng Shu drug cartel, but found that the drug cartel was the tumor that the master wanted to destroy the most during his lifetime. Uncle Meng's daughter, Meng Shuangzi, who had just returned from abroad, fell in love with Wang Zhen while she was getting along with Wang Zhen, but she also brought Wang Zhen's biggest opponent-Uncle Meng's adopted son, K Tsai. Kaze, who loves Shuangzi, regarded Wang Zhen as the greatest threat to his position. Later, he cooperated with Axiang, the mistress of the Vietnamese drug supplier Hu Ge, and killed Uncle Meng when he took Wang Zhen to Vietnam to discuss cooperation with Hu Ge. He flees with Brother Hu, Wang Zhenqianjun, but is framed by K-Zi and Axiang, who are actually the pawns of the drug bosses. After Wang Zhen's return, K-boy failed to chase Wang Zhen, but he captured Xiaoqiang Tielin and stabbed Xiaoqiang's girlfriend. In order to rescue the two, Shuangzi promised to marry K-zi. After Wang Zhen contacted the police, he made a plan and closed the net at the wedding...