Crockett plans to marry his latest girlfriend, an ER doctor from the UK. However, she has a dark secret. A major drug dealer whom Sonny has recently busted uses it to both free himself and make Crockett look dirty.




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Episode credited cast:
Olivia Brown ...
Dr. Theresa Lyons
Calvin Levels ...
Rudy Ramos
Michele Shay ...
Dr. Chaney
Internal Affairs Officer
Timmy Cappello ...
District Attorney Martinez
Joey Wyatt
Susan Bogusky ...
Rest of cast listed alphabetically:
Female in Hospital (as Kathy Pefferkorn)


Evidence against a criminal is destroyed, during an investigation. It is evident that the man somehow found out where it was being kept and destroyed it, and that he could only have gotten that information from someone on the inside. Crockett learns that the one who gave the man the information is his girlfriend and that she's an addict and the criminal is her supplier. Written by

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Release Date:

13 February 1987 (USA)  »

Filming Locations:

Company Credits

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Technical Specs

Sound Mix:


Aspect Ratio:

1.33 : 1
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Did You Know?


This is Helena Bonham Carter's first television series role. See more »


Crockett visits Wyatt which results in the two having a brawl. At one point, Wyatt is tossed over a couch, but once the actor makes it over the couch, it is clearly not the actor but a stunt double with a wig. See more »


Det. James 'Sonny' Crockett: Well, you win some, and you win some.
See more »


Written by Warren Cann, Chris Cross, Billy Currie and Midge Ure
Performed by Ultravox
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User Reviews

One of the best episodes of Miami Vice
31 August 2007 | by (Slovenia) – See all my reviews

Theresa is one of the best episodes of Miami Vice.Best music,best drama and great cast.Here they show Sonny and his love of his life.The Miami Vice team try to bust a mayor drug dealer,they get lucky and they catch him.Sonny is in love with Thereasa played by Helena Bonham Carter,a doctor where he met her in episode Duty and Honor aka... Savage,Sonny is in love with her,but he doesn't know that she is a heroin addicted.Sonny try to propose her for her hand but he's stuck with the case Joey Wyatt a drug dealer,so he goes to a evidence warehouse but before him somebody bust in there kill two cops and blows the warehouse.Sonny comes to late to stopped the explosion,later in the Miami headquarters he is suspended,because he was the leading officer,after that Rico shows him a evidence paper where it lead's to him.But now he find's out who is the lick.The lick was his girlfriend Theresa.Later he goes to ambulance to to talk with Theresa than he find's out that she's heroin addicted,than he try to helped her by jeopardize the case and risk his own carer.He try to do everything to safe her,even when it means end of his carer.This episode is great here they show us how great Don Johnson and his character is,to bad is only that Don Johnson not directed this episode,but he directed episode By Hooker By Crook another great episode of Sonny and his love but not so great,like was this one Theresa is one of the best episodes,like the other episodes.Miami Vice is one of the best cop series,they not doing,series like this anymore.I still can believed its not in network anymore.

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