Powerful Four

Chan, an articulate senior detective nearing the end of his career, is taking care of the daughter of a witness killed by ruthless crime lord Po. Martial arts expert Ma is set to take over as head of the crime unit, replacing Chan who wants an early retirement.

Two detectives who are up to their necks in trouble and in each other's face, as they try to shut down a drug-trafficking scheme that could be connected with international ties to organized crime. But in the midst of their investigation, innocent immigrant dock worker Luk Wan-Ting gets caught up in the mix when he witnesses the murder of an intelligence operative and is framed for the crime.

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.

A career-long undercover Hong Kong cop is sent to Mainland China when his former protégé becomes the primary suspect in a murder.

The Hong Kong police is hunting a counterfeiting gang led by a mastermind code-named "Painter" . The gang possesses exceptional counterfeiting skills which makes it difficult to distinguish the authenticity of its counterfeit currency. The scope of their criminal activities extends globally and greatly attracts the attention of the police. In order to crack the true identity of "Painter", the police recruits a painter named Lee Man to assist in solving the case.

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.

A rookie cop goes undercover to infiltrate a gang of car thieves led by smooth and charming Ted. The rookie becomes too involved and starts to enjoy the thrill and lifestyle of the game, and becomes romanticly involved with the leaders sister.

Gino Felino is an NYPD detective from Brooklyn who knows everyone and everything in his neighborhood. Killing his partner was someone's big mistake... because he's now out for justice.

In 1970s Hong Kong, the Independent Commission Against Corruption (ICAC) was formed to bring down the corruption syndicate led by British government officials. One of its top investigators is Senior Investigator Lau Kai-Yuen, who brought down countless corrupted officials. Just as he thought stability and prosperity are within reach, a new era of greed and riches takes him into a new battlefield of corruption.

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.

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

Tommy Bundy and Sincere are best friends as well as infamous and ruthless criminals and shot-callers in the hood. Respected by many but feared by all. As the police are closing in on them and new players are looking for a come up, will their reign last?