Drug Stamps

The movie tells the story of a brave and intelligent police officer, Wu Xian Jun, who gains the trust of a drug lord, Hua Ge, with his calm and decisive demeanor. He goes undercover into Hua Ge's criminal group, gathering evidence and gaining insight into their research and production of a new drug called "Stamps". With his wit and assistance from the police, he successfully dismantles the drug trafficking and manufacturing syndicate led by Hua Ge.
(Source: Chinese = Tencent || Translation = MDL)