Freddy Heflin is the sheriff of a place everyone calls “Cop Land” — a small and seemingly peaceful town populated by the big city police officers he’s long admired. Yet something ugly is taking place behind the town’s peaceful facade. And when Freddy uncovers a massive, deadly conspiracy among these local residents, he is forced to take action and make a dangerous choice between protecting his idols and upholding the law.
New York cop Frank Serpico blows the whistle on the rampant corruption in the force only to have his comrades turn against him.
Marcus Burnett is a henpecked family man. Mike Lowrey is a footloose and fancy free ladies' man. Both Miami policemen, they have 72 hours to reclaim a consignment of drugs stolen from under their station's nose. To complicate matters, in order to get the assistance of the sole witness to a murder, they have to pretend to be each other.
Thief Duke Anderson—just released from ten years in jail—takes up with his old girlfriend in her posh apartment block, and makes plans to rob the entire building. What he doesn't know is that his every move is being recorded on audio and video, although he is not the subject of any surveillance.
An obsessive, insubordinate homicide cop is convinced a serial killer is loose in the Hollywood area and disobeys orders in order to catch him.
Detective James Quinlan has left his alcoholic wife, sprouting a bloom of insecurity, anger and self-motivation within him to expose the corrupt police force that surrounds him. He abandons his straight life to join his partner Detective Church in order to get on the inside of the circle of double-agents. He secretly sides with a reporter and an Internal Affairs lawyer to expose them to the press.
When the trail goes cold on a murder investigation of a policeman, an undercover narcotics officer is lured back to the force to help solve the case.
Keen young Raymold Avila joins the Internal Affairs Department of the Los Angeles police. He and partner Amy Wallace are soon looking closely at the activities of cop Dennis Peck whose financial holdings start to suggest something shady. Indeed Peck is involved in any number of dubious or downright criminal activities. He is also devious, a womaniser, and a clever manipulator, and he starts to turn his attention on Avila.
Vincent, a police officer, and his partner Manuel steal a large amount of cocaine from José Marciano, a ruthless crime lord who is quick to seek revenge, endangering Vincent's life, career and family.
When Hong Kong is rocked by multiple gruesome murders, the police forms a task force to investigate. Jun, once a brilliant detective who suffered a mental breakdown, begins his own investigation. Eventually, the police learn that the murder victims are all suspects of cold cases being rubbed out by a figure known as "The Sleuth". Now, Jun and a detective from the task force are on a race against time to beat the brutal killer at its own game.