While exploring a crashed vessel on a desolate planet, the Enterprise crew is haunted by some ghostly figures, and they encounter an alien race that has survived despite insurmountable odds. Trip helps repair their derelict vessel and is befriended by Liana, an attractive humanoid alien who develops feelings for him.
Ben decides that he wants to play an active role in his child's life. Lauren is pleased; but has already made arrangements to move to Arizona to be near her parents. Ben talks to Professor Hodges about the possibility of transferring to the University of Arizona. Adam's design wins the contest, and Felicity accepts an offer to stay in New York and help with his project. Hodges tells Ben that the deadline for admission has passed, but his friend can pull some strings and get him accepted. He must make his final decision in the next day. Felicity is upset that Ben failed to tell her about his possible move. She tells Adam that she may have to turn down the job. Trevor convinces Ben that Noel is still trying to make a move on Felicity. A tearful Felicity confides in Noel about Ben's situation. Ben catches them in an embrace and becomes angry. He says that he wouldn't have slept with Lauren if Felicity hadn't cheated on him. They break up, and Felicity accepts the job with Adam
Charlie asks Joey to sing with his band at a distant club, which requires Pacey to give them a ride. Pacey and Charlie hate each other, and it takes a patient Audrey to keep them from going at each other's throats. Joey is nervous and isn't well received by the audience, until Charlie helps her with a duet. Still, he doesn't give up putting his moves on her. Audrey and Pacey, on the other hand, seem to be more and more in synchrony. Meanwhile, Dawson, Jen, Jack and Grams drive up to Capeside for Lily's 1st birthday, and Dawson finds out his mother has a significant other. Meanwhile, Jen confesses to Jack that she wants to break up with Dawson, while he is conflicted with the possibility of loving Joey again.
Musician Ricky Mathis becomes an overnight sensation thanks to his song "Rock Legend." When his music causes his fans to become obsessive and destructive, Sam, Alex, and Clover are called in to investigate the cause of this fanatical behavior under the guise of a supporting band. While Clover is enchanted by Ricky's music, Sam and Alex investigate the recording studio and discover they are using special glowing CDs that brainwash listeners. They must stop manager Sebastian Saga from using Ricky's music to take over the world. In the subplot, Clover has a crush on schoolmate Damon Reynolds, who plays guitar and hangs out with school diva and rival Mandy.
While Frasier and Niles uncover a human skull under the floor of their childhood home and let their imagination get the better of them, Roz's daughter's hamster has died and she is uncertain how to break it to her.
Ozzy works with a personal trainer and attends rehearsals in preparation for an upcoming tour. He also records a series of silly videos that feature him in drag (including a spoof of the ""Lady Marmalade"" video) to be displayed on the giant screen during the shows. Sharon and Kelly upset Ozzy with their tendency to go on shopping sprees. They try to pull the wool over Ozzy's eyes, lying about what they have purchased and just how much they have spent. Kelly takes Ozzy's credit card without permission and manages to lose it. Sharon covers for her until she is able to find it in her truck. Sharon, Kelly and some of the dogs accompany Ozzy on the tour, while Jack stays home and tries to get his own record label started. Ozzy is appalled to discover some of the garish special effects to be used in conjunction with the shows, especially a bubble machine. He repeatedly complains about this to Sharon. Sharon tries to keep the tour itinerary hidden from Ozzy.
Jack poses as Alexis Drazen and goes to meet a contact who has vital information. However, a CTU agent with a grudge against Jack might risk the success of the mission. Dr. Parslow takes Teri back to the Bauer house.
Vic attempts to broker a peace agreement between two rival rappers after a dispute over an up-and-coming singer's success erupts in a gang war. Danny is attacked after identifying a shooter, Julien helps a woman whose son's body has been stolen, and Dutch and Claudette search for a missing migrant worker.
A visit from Kirk, a younger alumnus from Greg's law school, launches an unsuspecting Greg into the middle of a crazy college game with very specific rules developed by ""seriously drunk"" undergraduates. Despite Greg's reluctance to engage in a college prank at this stage in his life, Dharma leaves him no choice when she rallies the gang to help him win back his championship title in a relatively amusing parody of Mission: Impossible. Meanwhile, security guard Larry is disturbed when his supervisor Walter points out that he gets special treatment because his daughter is married to the boss's son. When Larry demands Edward rescind all special treatment, Walter obligingly fires Larry.
When Dharma discovers that her drivers license has expired, Greg demands that she be a little more responsible—which is when Dharma discovers she has lost the priceless family heirloom diamong ring Kitty gave her. She discovers it on the roof, coated with tar; and when she takes it to a jeweler for cleaning, she learns it is, in fact, just a really good fake, leading to a confrontation with Kitty. Meanwhile, Pete turns to Dharma for help in getting Gretchen to go out with him. Her simple, sound advice works... Soon Gretchen is head-over-heels for Pete—and he can't stand it. Also, we see Marlene as a judgmental book clerk, and learn that Greg has finally fired her.
Andy's gorgeous new girlfriend makes a bigoted remark, and late-night partying becomes Jessica's MO for business success after a good meeting on no sleep.
During the investigation of the gang shootout, the police officers are questioned and presented with evidence that suggests that Ross was killed by friendly fire; Carlos learns that Vangie is dead and that he is the father of the baby her sister leaves at the firehouse; on the first anniversary of Bobby's death, Kim quarrels with Jimmy over her visitation with Joey and confronts a female gang during a call; and Doc is visited by the father of a former patient whose debilitating injury may have been caused by Doc's error during treatment.
Ginger decides to play an April Fools joke on Dodie by forging a love letter to her from Dustin, (a weirdo in her class that eats his sandwiches with chopsticks). Things get messy when Dodie admits to having a secret crush on Dustin, while Dustin reveals he really HAS sent a love letter, but to Macie! Will Ginger find a way to work it out? Meanwhile, Carl and Hoodsey tell Blake they sold his tonsils to a witch doctor, causing him to become sick.
Ginger, Carl and Macie go on vacation to Loon Lake with Dodie and her family, where an escaped "lunatic" from the insane asylum has been reported to be hiding. Will Carl and Hoodsey get to scare Blake, who is camping in the woods there as well, or will they be in for a scare themselves? Meanwhile, Ginger and Macie deal with Dodie's mom Joann, who is a bit "high strung".
A mysterious phantom, the ""Phantom of the Factory"" with his ""Mini-Me"" apprentice mistakenly thought that his long lost love had come back but it was actually Lori. He tried to get rid of all her lovers so that he can stay with her forever. While Merton aggressively pushed his theatrical masterpieces for a stage show. Rejected by the judges, he continued to develop his acting and musical skills to perform in the upcoming Pleasantville Musical concert. In the finale of this episode, a wonderful musical performance was acted out by Tommy, Merton, Lori, the Phantom of the Factory, and his sidekick.
When the body of a bisexual young woman is found slain, Goren and Eames note the similarities between her death and a number of murders committed by a convicted serial killer, turning their attention to a human-behavior researcher.
Scully, Doggett and Reyes investigate an old case that Doggett worked on as a cop in Brooklyn, dubbed "The Screwdriver Killer". They try to determine whether the man who was convicted and has just been released from prison was actually the man responsible for the murders.
When Homer gets the family's telephone service cut off for refusing to pay for calls made to Rio de Janeiro, Brazil, Lisa confesses that she was the one who called Rio after sponsoring an orphan who goes missing. She convinces the family to travel to Brazil to look for him. However, once there, they have no luck finding him, and Homer is kidnapped.
Ruth takes a personal interest in the death of a woman who has no friends or relatives. Meanwhile, Brenda's search for a literary muse prompts her to turn to one of her massage clients--a prostitute named Melissa--and Nate's relationship with Brenda takes an unexpected turn.