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.
Nikki tries to find an antidote after her daughter and friends unwittingly ingest a Jamaican fortune teller's potent love potion.
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.
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.
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.
Doug cannot spend time with Carrie on Valentine's Day, because he has to deliver penguins, with Deacon, from one zoo to another. Meanwhile, Carrie and Holly go out, with Carrie giving Holly tips to land a man.
Idzik faces his enemies; the intrigues behind the Loewen case get more complicated; changes are made in the hospital; the Muslims run into business trouble; Rebadow and Stella get closer; and the inmates rally to support the O'Reilys.
Sydney must make a life-defining decision regarding her future with the agency, while Sloane re-emerges and continues his obsessive quest to piece together the mysterious Rambaldi artifacts - with the reluctant aid of a kidnapped scientist. Meanwhile, Dixon's marriage is put to the test after he tells his wife the truth about his occupation.
A demon attacks The Charmed Ones with dream dust, causing their nightmares to come to life. Paige is harassed by an evil clown at a baby shower, Piper has an affair and Phoebe is chased by a maniac with a chainsaw. The sisters must use magic to put themselves to sleep to re-enter their nightmares and unmask the symbolic meaning of their dreams.
Worried about how Dale is raising Joseph, John Redcorn asks Hank to take the boy he fathered on a Native American rite of passage.
Making friends with a frog in the creek, Max wants to take it home with him. But Ruby is planning a tea party for Grandma, and that's no place for a froggy.
Paige has been seeing a guidance counselor for six months and has finally stopped blaming herself for the rape. But she soon learns that Dean is returning with Bardell for a basketball game. Paige decides not to show up to cheer for the game. JT comes outside and asks her what is wrong and she tells him what happened. JT goes back inside and pushes Dean around trying to beat him up. Dean is suspended from the game and JT is sent to the principal's office. Soon Paige tells Spinner what happened and he follows Dean outside and pushes him against the school bus but Dean walk to the bus. Paige tells him straight out that she is coming after him: for real.
Drivers of two security trucks that were carrying money, go missing while on duty. While the team searches for them, Sue helps Lucy improve her sign language when the two go to a deaf club, where talking is not allowed.
Preparing for the East Catholic Valentine's Day dance, Meg tries to convince boyfriend Luke of the importance of the holiday, while Roxanne waits for a brave boy to ask her to the dance. Meanwhile, Jack, prompted by his doctor, seeks a second opinion regarding his lingering sickness, while JJ searches for forgiveness from Beth. Elsewhere, Patty braces for her own Valentine's Day festivities as she makes arrangements for her first coed party.