After Dylan accidentally injures Donna by knocking her into her swimming pool while high on drugs, he tries to confront his personal demons. But he rejects his friends support by insisting that he doesn't have a drug problem. He then makes a run for it and ends up in the hospital, land in a coma, and goes through an agonizing withdrawal. Kelly's concern over Dylan raises red flags for both Gina and Matt who are wary of her motives, and Matt feels guilty while handling Dylan's legal troubles by lying in open court about Dylan's well being. Meanwhile, Steve loses Janet's dog during a walk in a park which leads to believe that the Doberman mated with a different breed. Also, Claire Coville, a rising singer, asks Donna to design her a dress for an awards show and for Noah to be her escort.

Matt is put into a dilemma when his long-estranged wife, Lauren, suddenly arrives in town from New York after spending years in an insane asylum and wants to make up for lost time while Kelly becomes suspicions of Matt's sudden behavior. Meanwhile, Gina becomes jealous when a former drug addict, named Linda, agrees to sponsor Dylan's recovery. At the same time, Dylan finds trouble on his new community service job at a freeway construction site with the abusive foreman and a struggling co-worker. Also, Steve and Noah declare a war of practical jokes after Noah cheats at strip poker, which apparently takes a serious turn when a man suddenly drops dead and Steve and Donna try to retrieve the corpse from a missing refrigerator. David meets a young woman whom he asks out to the movies only to have her stand him up.

As Valentine's Day approaches, Kelly continues to be uncomfortable around Matt after he tells her about his wife's past, who then moves into the Walsh house. Meanwhile, Steve's newest idea for his newspaper of bikini models leads to an alert about a potential health problem thinking he might have a malignant skin cancer. Gina begins to cause more friction between Donna and Noah when she tells Donna a concocted story about a drunken Noah making the moves on her from one particular night. Afterwards, a dejected Donna agrees to pose a David's girlfriend at a business function of his. Also, Gina worries that she can't keep the pace with Dylan after they begin a series of exotic trysts.

Steve and Janet take two low class teenagers, named Stewart and Marianne, out on a camping trip which turns into a complicated venture for both couples when they end up trapped in their car with a large bear outside and both Steve and Janet, and Stewart and Marianne, end up having sex. Meanwhile, Noah makes a proposal to Donna to move in with him. But then, Gina sabotages their reconciliation by playing games with Noah over what really happened that night between him and her. Donna's anger over both Noah and Gina sends her to the arms of David. A complication arises to spoil Matt and Lauren's second honeymoon when he learns that the drug Laura's taking for her schizophrenia may be life threatening. Also, Dylan is torn between being with Gina or Kelly.

Gina's visiting, self-serving mother, Bobbi, is little help when Gina learns that her trust fund isn't as large as she thought due to her mother stealing from it. Meanwhile, Kelly enlists Dylan's help for a trip to Mexico to help out Matt and Lauren to smuggle medicine for her into the country where Dylan and Kelly's romantic feelings for each other surface once again. But then Lauren thinks that her medication is not worth it and decides to re-commit herself back to the asylum in New York. Back in Los Angeles, Janet tells Steve that her father objects to her relationship with him since he is not Japanese. Also, Donna agrees to go out on a date with David as a distraction from her thoughts about Noah, who eventually learns about her and David's Valentines Day tryst from Gina.