Drug War Du zhan is a ChineseHong Kong crime thriller film directed and produced by Johnnie To. The film stars Sun Honglei as Police Captain Zhang, who partners with a drug lord named Timmy Choi Louis Koo after Choi is arrested. To avoid the death penalty, Choi agrees to reveal information about his partners methamphetamine ring. Zhang starts to harbor doubts about Chois honesty as the police begin to take on the drug ring.
Fleeing from an explosion at his drug production facility, Choi crashes his car into a restaurant and as he revives he is captured by Captain Zhang Lei. Realizing that he will receive the death penalty for his crimes, he bargains information on his colleagues to survive.First, he introduces Captain Zhang Lei as Uncle Bill, to become a supplier to Haha, who owns a port and can distribute drugs to other countries. Then Captain Zhang Lei poses as Haha to the real Uncle Bill. Then Choi goes to Chois factory where he meets with two mute brothers, his employees. Choi plants recording devices in his factory, setting up everyone in it. Then they set up the real Haha with the real Uncle Bill. However, an attempt to capture the mute brothers at the factory fails, and they escape through a hidden tunnel. ........
Source: Wikipedia