
The Black Killer
Overview:
A 1967 Cantonese language action film directed by Cheung Wai-Gwong, starring Connie Chan, Adam Cheng and Liu Chia-Liang. Ming-Wai & Ming-Sing, a brother and sister (dual roles played by Connie Chan) who must go undercover in a gang to rescue their uncle.
Recommendations for you

Miracles: The Canton Godfather
A country boy becomes the head of a gang through the purchase of some lucky roses from an old lady. He and a singer at the gang's nightclub try to do a good deed for the old lady when her daughter comes to visit.

Wake of Death
Ben Archer, an ex-mob enforcer, seeks revenge against a ruthless Chinese kingpin responsible for his wife's brutal murder. When Archer joins forces with his old underworld friends, an all-out war is waged against the Chinese Triad.

Al Capone
In this unusually accurate biography, small-time hood Al Capone comes to Chicago at the dawn of Prohibition to be the bodyguard of racketeer Johnny Torrio. Capone's rise in Chicago gangdom is followed through murder, extortion, and political fraud. He becomes head of Chicago's biggest "business," but moves inexorably toward his downfall and ignominious end.

Code of Silence
A Chicago cop is caught in the middle of a gang war while his own comrades shun him because he wants to take an irresponsible cop down.

Infernal Affairs
Chan Wing Yan, a young police officer, has been sent undercover as a mole in the local mafia. Lau Kin Ming, a young mafia member, infiltrates the police force. Years later, their older counterparts, Chen Wing Yan and Inspector Lau Kin Ming, respectively, race against time to expose the mole within their midst.

Absolution
An aging ex-boxer gangster working as muscle for a Boston crime boss receives an upsetting diagnosis. Despite a faltering memory, he attempts to rectify the sins of his past and reconnect with his estranged children. He is determined to leave a positive legacy for his grandson, but the criminal underworld isn’t done with him and won’t loosen their grip willingly.

10th & Wolf
A former street thug returns to his Philadelphia home after a stint in the military. Back on his home turf, he once again finds himself tangling with the mob boss who was instrumental in his going off to be a soldier.

Sleepless
Undercover Las Vegas police officer Vincent Downs, who has a lot of enemies, is caught in a high stakes web of corrupt cops and the mob-controlled casino underground. When a heist goes wrong, a crew of homicidal gangsters kidnap Downs’ teenage son T. In one sleepless night, Downs will have to rescue his son, evade an internal affairs investigation, and bring the kidnappers to justice.

Triad Wars
In the midst of a violent gang war, a series of misfortunes threaten the fate of a gang boss and his mob.

City on Fire
Ko Chow is an undercover cop who is under pressure from all sides. His boss, Inspector Lau, wants him to infiltrate a gang of ruthless jewel thieves; his girlfriend wants him to commit to marriage or she will leave Hong Kong with another lover; and he is being pursued by other cops who are unaware that he is a colleague. Chow would rather quit the force, feeling guilty about betraying gang members who have become his friends.

Infernal Affairs II
In this prequel to the original, a bloody power struggle among the Triads coincides with the 1997 handover of Hong Kong, setting up the events of the first film.

The Substitute
When an inner-city Miami schoolteacher gets her knee broken after standing up to the school's gang leader, her mercenary combat specialist boyfriend goes undercover as a substitute teacher to take down the punk. Soon he discovers a conspiracy of criminals at work, and must reassemble his team from his last jungle raid to stop them.

The White Storm
An operation in Thailand against a notorious drug lord changes the destiny of a Hong Kong Police Department narcotic team. Five years later, a drug dealing brings them together again.

New Police Story
Sent into a drunken tailspin when his entire unit is killed by a gang of thrill-seeking punks, disgraced Hong Kong police inspector Wing needs help from his new rookie partner, with a troubled past of his own, to climb out of the bottle and track down the gang and its ruthless leader.

Infernal Affairs III
Triad gangster turned corrupt cop Lau Kin-ming goes to dangerous lengths to avoid detection.

Mobsters
The story of a group of friends in turn of the century New York, from their early days as street hoods to their rise in the world of organized crime...

The Protector
Billy Wong is a New York City cop whose partner is gunned down during a robbery. Billy and his new partner, Danny Garoni, are working security at a fashion show when a wealthy man's daughter, Laura Shapiro, is kidnapped. The Federal authorities suspect that Laura's father is involved with Mr. Ko, a Hong Kong drug kingpin, so the NYC police commissioner sends the two cops to Hong Kong to investigate.

Beyond the Law
Dan Saxon is an undercover cop who infiltrates a biker gang to nail the scum behind a drug-smuggling operation. In order to maintain the trust of the gang's leader, he must commit ever more dangerous and heinous crimes. Just how far 'beyond the law' will Saxon go?

My Lucky Stars
Two Hong Kong cops are sent to Tokyo to catch an ex-cop who stole a large amount of money in diamonds. After one is captured by the Ninja-gang protecting the rogue cop, the other one gets his old Orphanage gang, dubbed the "Five Lucky Stars," to help him. They don't like this much, but they do it.

We Die Young
Lucas, a 14-year-old boy inducted into the gang life in Washington D.C., is determined that his 10-year-old brother won't follow the same path. When an Afghanistan war veteran comes into the neighborhood, an opportunity arises.
