Undercover

A by-the-book police officer is assigned to secretly investigate a team leader who believes that the rules shouldn't stop an investigation. As the officer investigates further, his own attitudes begin to mirror the team leader's.

Heroic Bloodshed movie from 1990

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.

On New Year's Eve, inside a police station that's about to be closed for good, officer Jake Roenick must cobble together a force made up cops and criminals to save themselves from a mob looking to kill mobster Marion Bishop.

New York cop Frank Serpico blows the whistle on the rampant corruption in the force only to have his comrades turn against him.

A Tokyo cop is sent to Los Angeles to help an LAPD detective break up a yakuza ring operating in the city.

A TV movie directed by Bob Mahoney. Based on the book by Dick Lee & Colin Pratt it tells the true story of a long running Police investigation which resulted in the arrests of 120 people and jail sentences of 170 years for the manufacture and distribution of £100M of LSD.

To take down South Boston's Irish Mafia, the police send in one of their own to infiltrate the underworld, not realizing the syndicate has done likewise. While an undercover cop curries favor with the mob kingpin, a career criminal rises through the police ranks. But both sides soon discover there's a mole among them.

Mason Storm, a 'go it alone' cop, is gunned down at home. The intruders kill his wife, and think they've killed both Mason and his son too. Mason is secretly taken to a hospital where he spends several years in a coma. His son meanwhile is growing up thinking his father is dead. When Mason wakes up, everyone is in danger - himself, his son, his best friend, his nurse - but most of all those who arranged for his death

Set in the ghettos of Paris in 2010, an undercover cop and ex-thug try to infiltrate a gang in order to defuse a neutron bomb.