To Live and Die in Tsimshatsui

A tough detective who is part of an elite New York City unit is trying to find out who killed his partner, but uncovers a plot to kidnap mobsters for money.

An undercover cop struggling to provide for his son and ailing wife, must infiltrate a ruthless gang. But things turn sour when another cop blows his cover and he quickly finds himself battling for his life and the lives of his family.

Dooley and his dog Jerry Lee still are active as a police team with the LAPD. However, years starting and counting Captain Roger Byers thinks they urgently need to do something with their condition. He even forces them to work with a second team: the one of the young Sergeant Welles and her disciplined Dobermann Zeus. Dooley and Jerry Lee thinks they can work without their new partners but a mysterious sharp-shooter forces them to the ultimate cooperation

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.

Two corrupt cops have a successful, seemingly perfect money making scheme- they sell drugs that they seize from dealers, kill the dealers, and blame the crimes on street gangs. Their scheme is going along smoothly until they kill an undercover DEA agent posing as a dealer, and then try to cover-up their crime.

While Yeung Kam Wing is trying to remove all connections between the mob and him, his actions are being carefully observed by Lau Kin Ming, who bears a personal grudge against him.

Undercover cop Lok Hwa takes two years to become the trusted lieutenant of rising Hong Kong drug lord, Feng. The night of the big bust, Feng's flaming car crashes spectacularly into the sea; Feng is presumed dead. Hwa returns to the force and to June, his patient girl friend. Also, to save Feng's lover Yung from a life of crime, Hwa gives her his pager number and promises to be there for her. A year later, Feng reappears, asking Hwa's aid with one last task before he returns to the mainland forever. Feeling sentimental, Hwa agrees to help and finds himself set up to take the fall in a drug war. June is in danger, too, and death awaits as Yung realizes it's Hwa she loves.

Following the tragic events of Sting of the Scorpion, Maggie finds herself stripped of her rank and committed to an insane asylum. The crooked cop who put her there offers to procure her release and reinstatement - if she'll go undercover as a bar hostess to spy on the triads. The whole thing's a setup, of course, and soon Maggie is on the run from the law, as well as nursing a bad heroin addiction. She finds refuge in the criminal underworld, where she accepts a job as an undercover assassin. But when her identity is exposed, Maggie has both sides of the law gunning for her life.

Alan Masters is a despicable businessman with his hands in organized crime. He marries Diane, a kind and gentle woman, and abuses and batters her viciously. Sergeant John Reed has had enough of his city's organized crime and, against the wishes of his dirty-cop superiors, tries to get evidence against Alan Masters. After Alan finds out that Diane has been helping Reed, he beats her to death...and its up to John Reed to put him away for it, and clean up the dirty cops that want to stop him. Part I starts with Diane's death and then, in a flashback, details her struggles against abuse and Reed's struggles as he coaches her to gather evidence against Alan. Part II deals with Reed's struggles with intimidating cops.

An undercover cop finds himself on the wrong side of the law when the mob discovers his true identity.

Paul Fein is a veteran police detective whose son Eddie is also a cop. Paul is assigned to investigate the murder of a prominent businessman, and he soon learns that the field of suspects has been narrowed down to two—the victim's sexually freewheeling wife Anna, and Paul's wild-child daughter Jackie. Neither Paul nor Eddie believe that Jackie could have committed the murder, and soon Paul is using himself as a decoy in a bid to find out more about what Anna does and doesn't know about her husband's death.

Rookie policeman Shing (Louis Koo) grapples with right and wrong in this action-packed story about Hong Kong gangsters. Assigned to go undercover, Shing is so successful in playing the part of a gang member that he becomes right-hand man to gang leader Fei Ling (Andy Lau). Shing comes to respect Fei Ling and question his original motives, but the troubled cop must make a crucial decision before rival gangs and impatient cops move in for the kill.

A weary undercover cop must maintain his cover while trying to save the daughter of a notorious Triad Boss from becoming collateral damage in a sting operation gone wrong.

Feng (Shawn Yue) is a former undercover cop whose post-assignment life has begun to rapidly disintegrate. Feng and former triad brother Fai (Sam Lee of Gen-X Cops) are caught using cocaine, and the ensuing melee leaves a police detective dead, with Fai fingered as the culprit. Fai must go on the run, but he no longer trusts Feng, who he believes may be leveraging their brotherhood for advancement in the police ranks.

Mike, a cop who is becoming increasingly frustrated with his tiresome job with little benefits, whilst the criminals live a life of luxury. He is offered a undercover job to infiltrate a Triad gang led by Boss Tin. Mike slowly becomes engrossed in this world and in Tin's wife.

21 Jump Street revolves around a group of young cops who would use their youthful appearance to go undercover and solve crimes involving teenagers and young adults.

Fastlane is an American action/crime drama series that was broadcast on Fox from September 18, 2002 to April 25, 2003.

A detective chief inspector from 2006 is investigating a serial killer when he is knocked over by a speeding car. Waking up, he finds himself mysteriously transported back in time to 1973. Initially struggling to come to terms with his situation, he has to come to terms with the old-fashioned technology and attitude of the day, while figuring out how he came to be trapped in the past.

Sergeant “Pepper"” Anderson, an undercover cop for the Criminal Conspiracy Unit of the Los Angeles Police Department, poses undercover from mob girl to prostitute.

Silk Stalkings is a crime drama television series. The series portrays the daily lives of two detectives who solve sexually-based crimes of passion among the ultra-rich of Palm Beach, Florida.

The relationship between Arthur, the gruff owner of a small donut shop, his enterprising new young employee, Franco, and their loyal patrons in a quickly gentrifying Chicago neighborhood.

Dempsey and Makepeace is a British television crime drama made by London Weekend Television for ITV, created and produced by Ranald Graham. The leading roles were played by Michael Brandon and Glynis Barber, who later married each other on 18 November 1989. The series combined elements of previous series such as the mis-matching of British and American crime-fighters from different classes as seen in The Persuaders! and the action of The Professionals.

The Fixer is a British drama television series, produced by Kudos for ITV. Set in modern Britain, it follows the life of John Mercer, an ex-British Special Forces soldier, arrested by police for killing his aunt and uncle following his discovery of their abuse of his sister, Jess Mercer. John Mercer is released early from prison to serve in a covert state security squad as a government-backed assassin responsible for eliminating criminals and renegade police officers that the law cannot apprehend.

Michael Nouri plays a tough cop who has rubbed his superiors the wrong way once too often. By way of punishment he is assigned the supervision of four colorful parolees in this police drama with humor. They are: Dennis Shotthaffer who imagined himself to be a doctor and tried to perform operations; Terry Casaro, a young black pickpocket; Jesse Smith, a street-wise tough; and Harriet Conover, a land-fraud artist who lives in a big mansion. Forney, who hates his assignment but wants to get back on the force where he belongs, devises a plan to put his four charges under one roof—in Conover's mansion.

Leung Siu-Tong is an experienced undercover agent who returns from a long-term assignment in Mainland China to teach new undercover recruits at Hong Kong Police's Criminal Intelligence Bureau (CIB). During this time, he befriends triad member Michael So, who only agrees to the relationship because he sees it as a stepping stone to the role of gang leader. Meanwhile, conflict at the CIB department ensues when Siu-Tong forms a tentative romantic relationship with his supervisor Jodie Chow.

Elijah Kane leads a hardcore undercover team of Seattle based cops who take on the local criminal element with a high-octane style of enforcement.

After ten years behind the bars in Taiwan, Kong Sai-Hao finally returns to Hong Kong. Besides hoping to find his daughter Yau-Yau to mend their relationship, he also plans for revenge. On one hand, he pretends to surrender to triad boss To Yik-Tin, the man who caused him to be jailed. On the other hand, he tries to gain trust from police officers Chung Lap-Man and Lee Pak-Kiu. Pak-Kiu refuses to have a criminal as his friend, but Lap-Man becomes a undercover cop in Sai-Hao's gang. Along with Sai-Hao, they overrule Yik-Tin and take over the mafia, and the two develop a misconceived mentor-student relationship. Unfortunately, Lap-Man gets fired from the police force before he can finish his mission in the mafia. He becomes Sai-Hao's people and turns his back against the police force.

Chief inspector of Hong Kong’s Criminal Intelligence Bureau, Cheuk Hoi, is suspicious of his close colleague’s mysterious death. Adding to the enigma, he discovers that the five undercover agents who were in constant contact with his dead friend have all vanished.

Family. It can be the most important thing in the world. And it can also be a massive pain in the arse. Undercover is a high stakes action comedy about Chris, a lonely, over analysing neurotic traffic police officer who finds himself hopelessly out of his depth when he infiltrates an Armenian crime family.

Undercover detective Chen Feng Xiang in a crack after a large group of cadres transferred to civilian, but in eight years after being an anti-black group to recapture. As the current rivers and lakes on the most troublesome triad leader are Chen Feng Xiang then younger brother Zhang Zhi Qiang, Feng Xiang re-out of the "rivers and lakes." He joined Zhang Shaojun led by the anti-black team and the new villain tostart dealing with the hands of the old friends and enemies, which makes Feng Xiang once dilemma. There are three years since the return of Hong Kong, gangs intend to take advantage of a big ticket. Feng Xiang in the investigation of a case of the disappearance of the leader, but found a century of Hong Kong triad history of the shaking big conspiracy.