Young anti drug police officer Chen Zhenghua, also known as Chen Biao, was approved by his superior, the anti drug captain Jiang Hai. He went undercover in a drug production gang and faced various tests and crises from drug traffickers, as well as the suspicious drug lord He Yuanhua and his ferocityLiang Qing and those vicious drug traffickers. Stick to their beliefs. In the struggle between blood and fire, Jiang Hai sacrificed his life to protect Chen Zheng. Chen Zheng ultimately killed Liang Qing and arrested He Yuanhua, leading to the destruction of his entire gangThe net is exhausted.