When New York is caught in the grip of a sadistic serial killer who preys on patrons of the city's underground bars, rookie cop Steve Burns infiltrates the S&M subculture to try and lure him out of the shadows.

After Police Captain Dan McLaren becomes police commissioner, former detective Johnny Blake publicly punches him, convincing rackets boss Al Kruger that Blake is sincere in his effort to join the mob. "Bugs" Fenner, meanwhile, is certain that Blake is a police agent.

A Secret Service agent nabs a scalpel-happy doctor who runs drugs in caskets.

Newly-paroled former US Army ranger Cameron Poe is headed back to his wife, but must fly home aboard a prison transport flight dubbed "Jailbird" taking the “worst of the worst” prisoners, a group described as “pure predators”, to a new super-prison. Poe faces impossible odds when the transport plane is skyjacked mid-flight by the most vicious criminals in the country led by the mastermind — genius serial killer Cyrus "The Virus" Grissom, and backed by black militant Diamond Dog and psychopath Billy Bedlam.

While doing a friend a favor and searching for a runaway teenager, a police detective stumbles upon a bizarre band of criminals about to pull off a bank robbery.

Mark Kaminsky is kicked out of the FBI for his rough treatment of a suspect. He winds up as the sheriff of a small town in North Carolina. FBI Chief Harry Shannon, whose son has been killed by a mobster named Patrovina, enlists Kaminsky in a personal vendetta with a promise of reinstatement into the FBI if Patrovina is taken down. To accomplish this, he must go undercover and join Patrovina's gang.

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.

Jae-ho, who aims to become the number one in a crime organization, gets to build up trust with Hyun-su, an ambitious newbie in the prison. While they try to take over the organization after the prison release, their ulterior motives starts to emerge.

Black police officer Russell Stevens applies for a special anti-drug squad which targets the highest boss of cocaine delivery to LA—the Colombian foreign minister's nephew. Russell works his way up from the bottom undercover, until he reaches the boss.

A Chicago cop is caught in the middle of a gang war while his own comrades shun him because he wants to take an irresponsible cop down.

Johan is a two-fisted Gothenburg cop who finds himself in a shoot-out with jewel robbers. After the smoke has cleared, one robber, shot by his accomplice, and an innocent bystander, are dead. Three witnesses, including Helen, identify thug extraordinaire Leo Gaut as being the dead crook's trigger-happy colleague. Gaut soon threatens the three witnesses, and only Johan, the badge-wearing hero, can save them.

It's a major double-cross when former police officer Brian O'Conner teams up with his ex-con buddy Roman Pearce to transport a shipment of "dirty" money for shady Miami-based import-export dealer Carter Verone. But the guys are actually working with undercover agent Monica Fuentes to bring Verone down.