Tiger Cubs, alternatively titled Special Duties Unit, is a Hong Kong police procedural television series produced by Lam Chi-wah and TVB. It premiered on Sunday, 24 June 2012 on Jade and HD Jade, and was the first TVB drama to broadcast in the Sunday night time slot since 1995's File of Justice. Tiger Cubs was one of six TVB dramas that were promoted at the 2011 Hong Kong Internal Film and TV Market. Tiger Cubs debuted its trailer at TVB's Programme Presentation 2012 event on 1 November 2011. The drama is renewed for a sequel in early 2013, with a production of 20 regular episodes. Filming for the second series began in June 2013.

The terrorist organization "Waganbu" infiltrated Hong Kong and set off a battle for chemical weapons in Hong Kong. Fan Shaofeng, the commander of the Flying Tigers, was ordered to fight against the terrorists. The Flying Tigers are trapped in the ruthless killing of Wagambu, the Special Service Superintendent Zhan Bowen convenes the police elites Zhang Weihua, Zhang Jiaxuan and Gao Zile to form a secret counter-terrorism team S Team . Faced with many crises, with the assistance of Interpol Xu Junfei, the two generations of China and Youth finally put aside their grievances and feuds and joined forces to prevent the spread of the chemical weapons virus in Hong Kong.

The Special Duties Unit (SDU) continue to work coherently together. Still, new challenges constantly come up, including having to adjust to the different working styles of the new Chief Inspector. During one particular hostage rescue mission, Jin Hon Tou encounters Chung Wai Yan, an undercover agent who is being chased by the triads. Her resourcefulness and bravery leave a deep impression on him. He helps her return to the Criminal Intelligence Bureau (CIB), and they gradually develop romantic feelings.

An unknown terrorist group is behind a series of crimes in Hong Kong, China, putting the safety of the city and its citizens on the line. A special task force, A-Team, is formed under Lok Ka-sing, the captain of the Flying Tiger, with selected elite members from the police force: Head of operations Eddie Wong Kwok-tung, head of investigations Cheung Man-lung, heads of intelligence Ting Ho-yin and Mo Yat-man, and head of forensics Yiu Ka-lam.

The Special Duties Unit (SDU) is an elite paramilitary tactical unit of the Hong Kong Police Force and is considered one of the world's finest in its role. But being the best carries its own burdens. Like everyone else, they go through troubles with love, with family and with their jobs. And sometimes they get horny. This touching story is about Special Duties Unit Team B and their trip to Macau for a weekend of unadulterated debauchery.

Four new Banshee Squad Members join the Hong Kong Police Academy to undergo training supervised by Madam Wu. Their personalities don't click with the current Squad Members, resulting in petty arguments and duels. However, they later make peace with one another as they join the Tiger Squad Members, supervised by Inspector Kan, to undergo new training courses together and combine forces to take down a band of terrorists.

Tung Tung just graduated from the police academy, encountering a Vietnamnese assassin on his first day on work. Tung in order to break through obstacle in his mind decides to join SDU. Among the teammates, Coolman feels resentment toward Tung, which he doesn't understand. Later he discovers Coolman is actually his step brother. Tung actively tries to get close to Coolman, but is rejected. When training reaches its last stage, Coolman and Tung's team reencounters the Vietnamnese assassin on a deserted island.

Five young and idealistic policemen, nicknamed Bravo (Mark Cheng), Rambo (Anthony Tang), Superstition (Bennett Pang), Wealthy (Michael Wong) and Old Bachelor (Billy Lau) are tired of their jobs and are determined to join the Special Duties Unit. Instructor Lee (Dean Shek) demands discipline, efficiency and obedience. Despite the hostility and hardships, the young officers begin to realize that Instructor Lee is passionate at heart. Eventually, they all respect him for his devotion and inspiration. On a silent night, they are summoned to an emergency assignment. A dozen of innocent citizen are held as hostages. The death of Bravo in their first successful mission sadden their high spirit and celebrating mood.

A look at the SDU in the Royal Hong Kong Police Force - how members are selected, how they are trained, their lives, what they think, the relationships between SDU members and their friends and the pressures they face.

Hong Kong movie

Faced with early retirement and difficulty recruiting, Stone is forced to lower his standard of acceptance. When a vicious, military-trained group of criminals commit a chain of big-time robberies, the Flying Tigers are called into action once again.

Red Pirate and his people caught women for ransom with two girls from royal British family among them. But his ingenious plan gets complicated when his men decide to rape hostages and one of the women manages to escape and informs police about Red Pirate's hideout. HK police joins their forces with Vietnamese commandos, navy and air-force and the battle with pirates begins.

When his Mainland-trained commander orders him to fire, injuring a civilian during a hostage-taking incident, SDU officer Wong Kar-lok is unfairly disciplined by a police tribunal.

A jobless university graduate joins a Hell's Angels motorcycle gang to discover that they are in fact controlled by a narcotic smuggler.

Sixth film in the 10 film series titled The New Option. Hon's sister, Bibi was crushed. She phoned Hon for help. Hon beat up the crook. Unfortunately the whole incident was captured by the CCTV and was suspended from this post. Fatso came to his rescue by forcing the crook to withdraw his complaint. Hon was re-instituted but he owed a favor to Fatso which might someday cost him dearly. Jason, son of Fatso, had employed some thugs from the mainland to swindle money out of the insurance company. The thugs read from the newspaper that the amount reported lost far exceeded the amount they had robbed. They asked for compensation from Jason. While he was negotiating with the thugs, the police and the SDU surrounded the building to comprehend the thugs. But when Lun saw Hon and Jason...

The son of a crooked cop follows in his father's footsteps. He joins an elite group of cops known as the "Flying Tigers" and there learns the true meaning of justice.

Fifth film in the series titled The New Option, it again stars Michael Wong as Stone Wong, an SDU captain who's a damn man at his job. Stone is a no-nonsense SDU trainer who must initiate young studs into their SDU world.

Wong Fei Hung meets the Five Tigers