Crockett, as Burnett, murders and manipulates his way to the top of the crime organization he works for.

Burnett begins to remember who he really is, as Tubbs and the rest of the squad decide he must be taken down.

A conflicted Castillo protects his ex-wife from a drug lord who is trying to kill her and her new husband.

Trying to come to grips with himself after the trouble with Burnett, Crockett takes a vacation that becomes a pursuit with three escaped convicts and their hostage.

Tubbs and Switek go undercover and pose as drug dealing middlemen to take down Borrasca, a very dangerous counter revolutionary who uses drug money to fight the war against communism in his country.

A drug kingpin on trial for murder puts a million dollar contract out on a punk rocker who is the star witness for the prosecution. The FBI want Crockett and Tubbs to safe house the witness, but keeping him alive is going to be a challenge.

Trudy poses as a prostitute to help Crockett and Tubbs catch a serial killer who they suspect is Asian because of the ritualistic way in which he mutilates his female victims.

Switek sinks into drunkenness and self-destructive behavior after a dangerous mobster forces him to talk his indebted quarterback buddy into throwing a game to pay off his own enormous gambling debts.

Crockett and Tubbs' efforts to bust a major drug dealer are repeatedly thwarted in court by a shady big-shot southern gentleman attorney and his loyal protege Lisa, whose father was a prosecutor murdered for crusading against drugs.

Crockett goes on leave to spend some time with his young troubled son Billy, who can't adjust to the unexpected new situation in the household. Tubbs falls for the widow of an assassinated drug lord, whose family is now being targeted.

Crockett recruits the young cop from the Line of Fire episode to assist in an investigation of a dandy British drug lord and his operation in Miami, which includes the son of an anti-drug legislator. Also, Sonny visits a shrink.

Crockett's estranged cousin Jack, the swindling but lovable black sheep of the family, needs Sonny's help after he unknowingly robs the underboss of a dangerous, flamboyant drug lord obsessed with Shakespeare to pay off a debt.

Tubbs is held prisoner by a reformed psycho he put away years ago, who is obsessed with eradicating crime through extreme methods.

When a drug bust nabs artwork instead of drugs, Crockett and Tubbs enter the underground art scene, but a cop from New York (Michael Chiklis) takes control of the operation to protect the artwork.

When a routine bust goes bad, the team gets approached by a group of rogue cops who have their own vigilante justice in mind. Castillo approves Crockett and Tubbs decision to infiltrate the group, but when one good cop is killed, that decision comes into question. Written by Jeff Smee

Crockett and Tubbs are meeting with a drug dealer, when someone comes in and starts shooting, killing the drug dealer. Later, the shooter strikes again, this time not killing a drug dealer but an old man. Crockett and Tubbs realize that another old man, who was present at the spot where they were meeting the first drug dealer, was the actual target and that the two old men are World War II death camp survivors. They learn that the two men along with a few others were scheduled to testify at the hearing of a suspected Nazi war criminal, who's living in Miami in his old age. So, Crockett goes undercover joining a group of modern Nazis to sniff out the killer. Written by [email protected]

Crockett and Tubbs are recruited by a shady government guy who wants them to help bring a South American President, who's also a drug lord, to the US so he can testify against the Cartel. They are told they have to work with a guy they don't trust. But they accept and they go to the man's country but they discover that there are people in his country who want to get him. They eventually get him out but upon returning there are people in Miami who will do whatever they have to, to get the President. Even threatening or intimidating people Crockett and Tubbs work with. Written by [email protected]

Experimental EMP railgun is stolen by the son of Al Lombard, Sonny's recurring frienemy and former mob underboss, who vanished after his boss Librizzi sent hitmen after him. When Al reappears to visit his kid, the hitmen find them.

The team has double trouble, first with a strung out vigilante (Miracle Man) messing up their busts, and second, a TV crew who wants to film it all for a reality TV show.

Sonny has a young cop working undercover at a university to get a professor who is selling drugs and kills people who crosses him. He learns that someone else is investigating the professor. He learns it's a man whom he worked with years ago and had a falling out with. The man says that he has developed a new unit consisting of youthful cops, he offers to let Sonny's man work with them. He gets into it with one of them and the guy goes to extremes to show him up. Written by [email protected]

Valerie returns to Miami to help a friend turned junkie, whose teenage daughter is being preyed upon by her abusive drug dealer. She also hopes of possibly rekindling her romance with Tubbs. Meanwhile Stan returns to his gambling ways.