A case involving drug lords and murder in South Florida takes a personal turn for undercover detectives Sonny Crockett and Ricardo Tubbs. Unorthodox Crockett gets involved romantically with the Chinese-Cuban wife of a trafficker of arms and drugs, while Tubbs deals with an assault on those he loves.

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.

On his first day on the job as a narcotics officer, a rookie cop works with a rogue detective who isn't what he appears.

Loosely based on the criminal career of Frank Lucas, a gangster from La Grange, North Carolina, who smuggled heroin into the United States on American service planes returning from the Vietnam War, before being detained by a task force led by Newark Detective Richie Roberts.

Terrence McDonagh is a New Orleans Police sergeant, who recieves a medal and a promotion to lieutenant for heroism during Hurricane Katrina. Due to his heroic act, McDonagh injures his back and becomes addicted to prescription pain medication. He then finds himself involved with a drug dealer who is suspected of murdering a family of A...