A transnational drug cartel based overseas colludes with local criminals in Dongshan to produce crystal meth on a massive scale, aiming to ship large quantities to China's inland provinces and overseas markets for huge profits. In this complex and dangerous environment, anti-narcotics officers represented by Li Fei risk their lives to tear open the vast underground drug network woven by local dealers and their protectors. They also break through layers of deception, clearing the way for Operation Thunderclap to proceed.
