Gina's smitten with an Irish revolutionary she thinks has renounced violence, but the authorities believe he's an IRA gunrunner.
Crockett's journalist buddy Stone claims to have film of U.S. mercenaries fighting in Nicaragua---and leading them is Stone's nemesis Maynard.
Crockett and Tubbs are fingered as cops by a Customs agent who's being blackmailed by the drug kingpin the detectives are trying to nail.
Tubbs poses as a con to expose prison guards who are extorting drugs from inmates, and killing those who refuse.
Crockett tries to preserve the career of a high-school athlete who stumbled into a heroin ring, but the prosecution needs the kid to help nail a 15-year-old kingpin.
Crockett tries to nail a psychotic murderer by thinking like his quarry, despite the fact that another cop using that tactic wound up in a psych ward.
Willie Nelson plays a former lawman who has a coke-filled briefcase that's crucial to Crockett and Tubbs' pursuit of a major Bolivian dealer.
Tubbs' former partner---who has a grudge against Tubbs over his dismissal from the force---is involved with bikers dealing crack.
Unexpected contraband---babies and a stowaway mother seeking the child taken from her---puts the cops on the trail of an adoption ring.
A pharmaceutical grade of coke makes its way to a hooker involved with a married undercover cop.
New leads persuade Crockett that a man he put on death row might be innocent, but a campaign-conscious DA is reluctant to help.
An uncomfortable Zito uses a boxer as bait to help the vice squad nail a former drug kingpin involved in bookmaking.
Switek is outraged by Internal Affairs' findings; Crockett and Tubbs' TV gambit may prove fatal when a mobster reclaims the action lost to Guzman.
When a drug dealer and cop are killed by men dressed as commandos, Crockett and Tubbs are stymied by an agent claiming they may imperil an international operation.
Castillo is not the only one to realize that a series of prostitute murders matches the M.O. of killings in Vietnam years ago.
Crockett's case on a heroin-addicted doctor jeopardizes his case against a dealer.
Tubbs finds out that his "raffle prize"---a week in the Caribbean---is a setup by a vengeful con and the Calderones to lure him out of his jurisdiction.
Crockett and Tubbs suspect that their difficulty in nailing a suspected smuggler is connected to an electronic-surveillance wizard they hired.
A series of booby-trap cop killings drives Tubbs over the edge, and he quits the department in fear for his life.
Crockett finds his personal life mixing with his professional life when his socialite girl friend figures into two drug-related murders.
A covert DEA operation brings Crockett and Tubbs under Internal Affairs scrutiny after the Feds' intrusion on a bust results in the loss of $250,000.
A biker returns from prison to revenge the death of a drug-dealer friend by targeting the last eight persons to do business with him, including Crockett.
Crockett and Tubbs try to retrieve a crack dealer's attache case from a thief---a celebrated playwright turned petty criminal.
The cops aren't the only ones following a Cuban drug dealer, and Gina finds that he has ties to her mother, who was killed when Gina was a baby.
