Alex Caine : infiltrateur

In 1948, Yu Beiping, an important official of the Special Investigation Bureau, was transferred to Qingcheng by his superior and was ordered to investigate the murder case that occurred there. In fact, Yu Beiping's true identity is being investigated and suspected by his superior, and he is in danger all the time. Yu Beiping has to successfully complete the tasks assigned by his superior on one hand, deal with the cunning and insidious enemy on the other hand, and also bear the incomprehension and misunderstanding from his closest relatives. He is in a difficult battle.

Shotgun Ménard

In order to capture Tawan, a gang boss, Akkadetch plants a spy into his gang. Pupha was chosen by Akkadeth to go undercover the moment he entered the police force. Together along with clumsy Chaba, they try to find enough evidence to put Tawan behind bars.

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.

Luo Xiang, a former narcotics agent, faked his death during an undercover operation. Five years later, he's living under a new name, but needs to pretend to be his old self and once again infiltrate the drug cartel, dealing with his former lover, brothers and enemies, to finally successfully complete the mission and find out who's pulling the strings.

The story of the Miami Police Department's vice squad and its efforts to end drug trafficking and prostitution, centered on the unlikely partnership of Sonny Crockett and Ricardo Tubbs - who first meet when Tubbs is undercover in a drug cartel.

The members of the NYPD Intelligence Division live double lives as they work undercover most of the time, trying to catch the most dangerous criminals in the city. They share their time between home, criminal underworlds, and their secret headquarter on Prince Street.

Sydney Bristow, an agent who has been tricked to believe she is working for the U.S. government, is actually working for a criminal organization named the Alliance of Twelve. Upon learning this, Sydney becomes a double agent for the real CIA.

In Southern California, a beachfront property was seized and turned into a residence for undercover cops. They are all top agents of the DEA, FBI, and Customs and they are living in this house unofficially known as "Graceland". Coming of a new graduating at the top of his class, FBI rookie, Mike Warren, could make the life of a legendary FBI agent Paul Briggs and the others, more complicated or it could reveal the truth. It is based upon actual events.

A chilling and unflinching look at all sides of a complicated issue, focusing on an African-American Muslim who joins an Islamic sleeper terrorist cell in the United States while working undercover for the FBI.

Grace, a morally and emotionally-conflicted undercover detective, is tormented by the possibility that her own actions contributed to her son’s death. Grace’s search for the truth is further complicated by her forbidden relationship with Jimmy, the crime boss who may have played a hand in the crime.

La Femme Nikita was a Canadian action/drama television series based on the French film Nikita by Luc Besson. The series was co-produced by Jay Firestone of Fireworks Entertainment and Warner Bros.. It was adapted for television by Joel Surnow. The series was first telecast in North America on the USA Network cable channel on January 13, 1997, and ran for five television seasons—until March 2001. The series was also aired in Canada on the over-the-air CTV Television Network. La Femme Nikita was the highest-rated drama on American basic cable during its first two seasons. It was also distributed in some other countries, and it continues to have a strong cult following.

Target: The Corruptors! is an American crime drama series starring Stephen McNally which aired on ABC from September 29, 1961 to June 8, 1962. The series was produced by Dick Powell's Four Star Television.

An educated chemical engineer becomes an undercover officer against drug dealers.

When an officer with the Department of Homeland Security is murdered in broad daylight, LAPD detective Mark Meachum is recruited to a secret task force, alongside undercover agents from all branches of law enforcement, to investigate. But the hunt for the killer soon uncovers a plot far more sinister than anyone could have imagined, kicking off a race against time to save a city of millions.

A young CIA operative, Annie Walker, is mysteriously summoned to headquarters for duty as a field operative. While Annie believes she's been promoted for her exceptional linguistic skills, there may be something or someone from her past that her CIA bosses are really after. Auggie Anderson is a CIA military intelligence agent who was blinded while on assignment and is Annie's guide in this world of bureaucracy, excitement and intrigue.

The Ghost Squad was a 2005 British crime drama series produced by Company Pictures, for Channel 4. The show was created by Tom Grieves. Inspired by the real life "Ghost Squad" that existed between 1994 and 1998, secretly investigating police corruption, the premise of the series is that the squad continued to operate in secret after officially being shut down. It starred Elaine Cassidy as a police constable recruited into the squad and Jonas Armstrong as her handler. The show was cancelled after a single seven episode series.

Vinnie Terranova does time in a New Jersey penitentiary to set up his undercover role as an agent for the OCB (Organized Crime Bureau) of the United States. His roots in a traditional Italian city neighborhood form the underlying dramatic base throughout the series, bringing him into conflict with his conservative mother and other family members while acting undercover as syndicate enforcer.

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