Synopsis：In 2011, anti-drug police in Northwest China ventured into dangerous territory, engaging in a thrilling confrontation with drug traffickers. Three years later, Yang Tian investigates the murder of his comrade Ma Chao, meticulously uncovering the criminal network of the Yuan brothers' drug smuggling operations. Ultimately, amidst the Gobi desert winds, justice prevails as the criminals are brought to account, honoring the fallen heroes.