Excited about a trip to Golana, one of Bajor's neighbor planets, Molly O'Brien goes with her father, mother, and brother to have a picnic. While there, Molly ventures off and falls into a timescape that transports her three hundred years into the past, to a time when there was no civilized life on the planet.

When a visitor with great computer and computational skills asks Voyager for passage onboard, they agree. They ask for his help on the scrambled incomplete Starfleet message they had previously received. The mysterious passenger proves very successful in retrieving the lost portions of the message, including the fact that the Federation has sent an unmanned vessel they need to travel to, that can return them home in no time at all. However, is this miraculous confluence of events too good to be true, and does their visitor have his own secret agenda?

Mary is asked to appear in a new Pendelton University promotional video. Dick whines until he is also allowed to participate. Unfortunately, neither of them shares the director's vision of what their "performances" should be like, and they are unceremoniously replaced by other "actors" (including Tommy). Harry volunteers to drive Nina to the dentist. A romance develops, but fizzles when the money Harry leaves under Nina's pillow as a Tooth Fairy reward is misinterpreted, and Nina, highly offended, throws him out. Officer Don gives Sally a key to his apartment, but his glee soon turns to gloom when she starts seeing the place as less of a love nest and more of a one-woman party zone that she can trash whenever she wants to. When Don calls her attention to her inconsiderate behavior, she apologizes - but he still takes back his key.

When Greg hosts a poker game, Dharma takes advantage of the occasion to meet his buddies. Petty jealousies surface as she begins befriending the men and privately advising them on personal matters - including bankruptcy, impotence, and a serious crush one of the men has on Greg - and they in turn begin to full uncomfortable around Greg because he won't share his feelings with them. Upset that Dharma has taken over his friends, Greg tries to bluff her by maintaining that he has plans of his own to hang out with Jane; and when Dharma thinks this an "awesome" idea, he finds himself involved in a bizarre role-playing game with Jane's very bizarre friends (including the Vulcan-eared Trekkie seen at the end of episode 20). Meanwhile, Kitty and Edward are unhappily afloat in "duck soup", as their swimming pool is invaded by waterfowl. Enter Abby, who is getting a Berkeley degree in ornithological intelligence. (Larry: "It's the study of bird brains". Kitty: "Oh, that must be useful".)

Valerie confronts Johnny, who insists that he does not share needles and is healthy. David pushes Valerie to get tested for HIV, but she is afraid to learn the truth. She spends all of her time partying because she does not want to confront reality. While Val is out at a club with Noah, they climb onto the roof; she risks her life by walking along a ledge. Noah helps her down when she slips, and she drives him away after discovering a bleeding cut. A strung-out Johnny visits Val at the club and reveals that he is HIV positive. Brandon and Kelly quarrel over wedding details. They cannot pick out a ring, relate a memorable story for David's wedding video, or agree on vows. They fear that their disagreements are more than just the result of nerves. Noah upsets Donna by expressing his lack of faith in the institution of marriage. The wedding caterer saves Donna's life by pushing her out of the path of a runaway pickup truck. Sarah breaks Steve's heart and goes back to her husband.

As the wedding day arrives, Brandon and Kelly finally seem to have overcome their doubts. However, while preparing for the ceremony, Kelly confesses to her mother that she isn't sure if she wants to go through with the marriage. Brandon expresses similar sentiments to Steve, who believes that he merely has cold feet. Brandon and Kelly mutually agree to call off the ceremony. They announce their decision to the guests and invite everyone to the reception, as they insist that they are happy. Valerie submits to an HIV test and anxiously awaits the results. Before taking Valerie to the clinic, David feels that he has to remind her that they are not a couple. Valerie goes into the doctor's office to learn the outcome of her test. Donna accepts a date with Jacob to thank him for saving her life. Noting her uncertain future with Noah, he makes a play for her. She turns him down and decides she would rather stay with Noah. Steve tries to win Sarah back from her husband. She shows up at the rec

The Solomons wind up their third season - and perhaps their mission on Earth - with a romantic dinner party that turns predictably raucous. The chef is Tommy, who has just "come out" as a gourmet. The guests: Dick and Mary, Don and Sally and Harry and Mrs. Dubcek's amorous daughter Vicki, who is back in his life. The trouble is, Vicki's jealous ex-boyfriend is hot on her trail. He's also hot to "put a hurt" on the competition and kidnaps Harry just before he transmits a message from the Big Giant Head. The other Solomons miss the communique, which promises devastating consequences for the family.

The Mayor has a stuttering problem. And Mike has a big problem when he promises to coordinate Paul and Claudia's wedding but discovers that the church is also booked for a funeral at the same time.

During the search for a pedophile who raped a 10-year-old, a snitch offers Briscoe a chance to avenge his daughter's death. Meanwhile, Van Buren learns that her job is in jeopardy; McCoy is ordered to appear before a disciplinary committee because of his conduct in a DUI case; and the increasingly political Schiff worries that the rape case may adversely impact his reelection bid.

The school counselor, Mr. Mackey, lectures Mr. Garrison's class on how drugs are bad . He passes around some marijuana so the kids will know how it smells, but the sample gets lost and the school fires Mr. Mackey. Meanwhile, Ike is going to have his Bris, but when the boys find out what that actually means, Kyle tries to save his little brother from the ceremony.