That Demon Within (2014)
Original title: 魔警
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.
Read the That Demon Within feature →Where to watch That Demon Within
All countries & options →
Showing US. Availability data by JustWatch.
Media
Top billed cast
Full cast & crew →
Nick Cheung Ka-FaiHon Kong
Daniel WuDave Wong
Andy On Chi-KitBen Chan
Dominic Lam Ka-WahInspector Mok
Joseph Lee Kwok-Lun
Stephen Au Kam-TongMC
Chi Kuan-ChunDave's fatherChristie Chen
Deep Ng Ho-HongAstrid Chan Chi Ching
Ken Wong
Samuel Leung Cheuk-MoonMovie DNA
More like this
More Thriller →
Viewing moment
Viewing moment
Viewing moment
Viewing moment
Viewing moment
Viewing moment
Viewing moment
Viewing moment
Viewing moment
Viewing moment
Viewing moment
Viewing momentFrequently asked questions about That Demon Within
What is That Demon Within about?
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.
How long is That Demon Within?
That Demon Within has a runtime of 112 minutes.
Where can I watch That Demon Within?
Open the Vlovu watch guide for current streaming, rental, and purchase options.