By a strange twist of fate, dutiful Hong Kong policeman Dan saves the life of the leader of a violent gang of armed robbers. When they commit another crime, Dan is determined to put an end to their activities. He works with the leader, whom the gang had betrayed, to engineer a plan to wreak havoc within the gang and let the gangsters kill one another. But it becomes increasingly obvious to Dan and to his colleagues that Dan is suffering from a severe mental disorder, and Dan finds that instead of upholding the law as a righteous police officer, he has now become a fugitive wanted for murder.
Acting
Daniel Wu's physical descent into madness — exhausting to watch.
Direction
Dante Lam crams three movies' worth of plot into 112 minutes.
Cinematography
Hong Kong streets as fever dream, all rain and fluorescent rot.
Director
Dante Lam Chiu-Yin
Daniel Wu
Dave Wong
Nick Cheung Ka-Fai
Hon Kong / Riot police officer
Andy On Chi-Kit
Ben Chan
Liu Kai-Chi
Broker
Christie Chen
Liz Kwok
Dominic Lam Ka-Wah
Inspector Mok
Chi Kuan-Chun
Dave's Father
Astrid Chan Chi-Ching
Stephanie
Joseph Lee Kwok-Lun
Effigy
Stephen Au Kam-Tong
Emcee
Samuel Leung Cheuk-Moon
Rookie
Dave Lam Ching
Chanter
Ken Wong
Smart Ass
Deep Ng Ho-Hong
Kwong
Alice Fung So-Bor
Granny
Trivia, insights & behind the scenes
Daniel Wu reportedly lost 15 pounds during filming from the physical demands of the role — Dante Lam kept pushing for more exhaustion in each take.
The film's Chinese title 魔警 ('Demon Police') directly references the 2006 Tsui Po-ko case, a real Hong Kong police officer turned bank robber who became a folk anti-hero — Lam fictionalizes this into supernatural territory.
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