Jack engages in a brutal contest of wills with Syed Ali. George questions Bob Warner to learn more about Marie's motivations for helping the terrorists. Kim is rescued by a mysterious hunter who offers her asylum. Lynne receives a dire warning from Sherry.
Rob a college roommate of Nick's wants to test a device for tracking kids. Will Nick agree to testing the tracking device on L.S.P. kids?
Lorelai goes away with her boyfriend for a weekend in New York, but she worries about leaving Rory and her boyfriend together.
The Barn mobilizes to investigate a massacre at a women's shelter, while Aceveda spends a day on the streets with Julien as the pair attempt to recover a child's stolen bicycle.
Lex recovers his long-lost brother Lucas and uses him in a ploy to buy out his father's share of the company. But it soon becomes clear that Lucas isn't to be trusted, and Lex soon finds himself ousted from his own company.
When Dylan is invited to the launch of the first Commonwealth ship made in 307 years, you can tell something will go wrong. As the ship explodes sabotage is suspected. As Dylan and the crew try to find the culprit, they encounter many different suspects while being attacked a violent pride. Can Dylan find the culprit before the Maru is next?
A witness for an up coming case is found murdered. Jordan is sure there is a dirty cop involved in the permanent silencing of this witness. Meanwhile Dr. Macy and Dr. Winslow head an investigation of their own.
When traveling psychologist Dr. Gretchen Trott (guest star Jane Krakowski) comes back into town, Andy is forced to confront his potentially romantic feelings for her. In other romantic entanglements, Edna and Irv have difficulty adjusting to life after his heart attack scare; Harold and his wife Rose (guest star Merrilyn Gann) have it out after they attend couples therapy and she suggests that he's lost that lovin' feeling; and Ephram asks Laynie (guest star Nora Zehetner) out on their first date, in part to show Amy that he's moving on with his life.
A dead junkie is found on a Miami street with a broken neck and a wad of cash in his hand. When the body is taken to the lab, Alexx notices that the victim's right hand is burned down to the muscle, even though it wasn't like that when he was found. It's deduced that he was exposed to radioactive material. The investigation leads Horatio to an environmental lawyer involved in radiation cases. Shortly thereafter, she learns that she is being eaten up inside by the deadly substance and has only days to live, but she doesn't know how she ingested it or who gave it to her.
Mona fears a lonely Valentine's Day, but her tears may be for naught when two men from her (recent) past both ask her on dates. Also, Dee Dee is miffed that Neil would choose work over her. Meanwhile, Big Dee Dee is angry with her husband, who also chooses work over her.
Natalie informs Flex that he has to be tested for HIV before she considered having sex with him. Flex takes the test but is scared that he might have HIV after waiting a long time for his results. Meanwhile Spirit feels left out because Breanna and Arnaz have dates and she doesen't, but when she suddenly finds a date for the Saddie Hawkins dance Breanna and co. start to think she's crazy.
Ellis goes all out to give Joan a magical Valentine's Day, but the couple's future is put in jeopardy when he learns that his ex-girlfriend is about to have their child. Toni finds her Valentine's Day card from Todd offensive, and fears that he is only dating her because she is black. William cannot bring himself to tell Monica that he quit the law firm.
It's prom night, and Abe finds himself torn between Cleo and Joan, Gandhi forms a prom posse, and the Secret Board of Shadowy Figures threatens to take back the clones.
Nikki tries to find an antidote after her daughter and friends unwittingly ingest a Jamaican fortune teller's potent love potion.
As she keeps vigil by Emily's bedside, Faith recalls her first days at the Police Academy and the beginning of her friendship with Bosco; the fire squad rescues Bosco, Maritza, and a very pregnant Linda Barnes from the inferno, but Lettie Cruz succumbs to her drug binge before they can reach her; Emily is released from the hospital and takes responsibility for her overdose; Bosco tracks down Gary Barnes with Linda's help; Maritza and Bosco's relationship goes to a new level when he attempts to comfort her on the lost of her sister; Kim finally testifies before the review board and stands up for Carlos.
Christine tells Jimmy not to buy a Valentine's Day gift for her this year, as she's come to the realization that the holiday is just a cheap ploy to get poor schmucks to spend their hard-earned money. Jimmy's glad that they're not exchanging gifts -- until Christine surprises him with a card the day before. Since he assumed a card was a gift, he stalls and gets her to agree to hang onto it until tomorrow, so they can swap on Valentine's Day. He then drags Greg out to the mall to buy one, but it's so last-minute that all the good cards are gone. Desperate, he enlists Greg's aid in tearing down the shop's huge display model, racking up $384 in ceiling damages in the process, and anticipates winning Christine's heart with his life-size card. But the only thing he wins is her wrath after she opens it and sees nothing more than ""Love, Jimmy,"" as opposed to the long, thoughtful message she wrote in her own. Jimmy sulks while going through her old cards to him, until Greg points out to him th
Jesse and Brennan go undercover to investigate a prison gladiatorial scheme.
Eric Camden, a minister, and his wife Annie deal with the drama of having seven children, ranging from toddlers to adults with families of their own.
Jimmy Berluti defends his high school crush, who is under investigation for a suspicious homicide, and Claire Wyatt interviews for a job at Lindsay's newly formed law firm.
Tired of being labelled the "evil witch" around the house, Debra convinces Ray that it's his turn to discipline the kids. While leaving to take Ally to a Frontier Girls meeting, Debra tells Ray that he must force the twins to clean up their room or they can't go out and play.