Crockett and Tubbs work undercover in a hotel. They uncover criminals that are an old enemies of Lt. Castillo and have also kidnapped Castillo's long-lost wife.
Lt. Castillo must bring down his old enemy, who has passed his organization to his grandsons. They have kidnapped Castillo's long-lost wife to ensure their escape from prosecution.
Someone in law enforcement is murdering drug dealers and their families in cold blood. To find the culprit, Crockett and Tubbs go undercover and travel to Colombia with a laid-back pilot to pose as dealers.
A group of young punks kill a cop and then take hostages - including an undercover Tubbs - while negotiators try to end the situation without more bloodshed and a SWAT team closes in.
The squad is assigned to assist Robbery with a string of brutal home invasions. Castillo is concerned the officer in charge - who was Crockett's mentor - is mishandling the investigation and the two clash, leaving Crockett torn between loyalty and a resolved case.
Crockett and Tubbs join forces with the Federal Bureau of Alcohol, Tobacco and Firearms ... including Crockett's old partner Evan Freed. Tubbs tries to understand their troubled relationship.
The murder of two beat cops outside their jurisdiction immerses the team in the Santeria religion, while Crockett tries to recover his repossessed Ferrari.
When Crockett and Tubbs bust the owner of a bordello (Miles Davis), they discover that one of his drug-addicted prostitutes is the object of a powerful drug dealer's twisted obsession.
Crockett and Tubbs escort a coffin containing a criminal to his final Miami resting place ... until its learned that he has risen from the dead and has a similar zombie fate scheduled for Tubbs.
Castillo is forced to choose between friendship and duty when Jack Gretsky, his best friend from his days in Vietnam with the CIA, reemerges from the criminal underground complete with a Russian wife who is being pursued by the KGB.
Gina's cleaning woman gets raped in Gina's home by the spoiled son of a wealthy man, who thinks he's above the law. Despite evidence being circumstantial, Gina wants to have the man arrested. Izzy steals Switek and Zito's bug van.
Crockett flashes to his role during the Saigon evacuation as he and a war correspondent uncover heroin smuggled in body bags. Ten years later in Miami the H resurfaces and so does the reporter looking for the CIA connection.