Drug War is a 2012 action thriller film directed and produced by Johnnie To. A Chinese-Hong Kong co-production, the film stars Sun Honglei as Police Captain Zhang, who partners with a drug lord named Timmy Choi 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 Choi's honesty as the police begin to take on the drug ring.