A foreign transnational drug trafficking group colluded with local criminals in Dongshan to carry out large-scale underground methamphetamine production in order to sell a large amount of methamphetamine to inland provinces of China and overseas for the purpose of making huge profits. In this complex and dangerous environment, drug enforcement police represented by Li Fei did not fear sacrifice and desperately to tear open the huge underground drug network woven by local drug dealers and their umbrellas, and broke through many puzzles to clear obstacles for the smooth implementation of the "Thunder Anti-Drug Special Operation".