Brandon meets senior Melissa Coolidge on the school lawn during lunch. He makes a date with her, and learns that she is the mother of an infant son, Joey. Brandon is forced into emergency babysitting duty while Melissa has an interview with Harvard. Jim and Cindy are unavailable, but Steve helps Brandon through the afternoon. Melissa's interview does not go well, and she becomes frustrated with her life. She fears that she may have to give up her son, but Cindy calms her with a heart-to-heart talk. Brenda and Kelly win skydiving lessons from a radio contest.

Andrea persuades Brandon to run for class president. Kelly seizes control of the campaign and encourages Brandon to capitalize on his looks and image. She even agrees to a date with David in exchange for his help producing a campaign video. Brandon decides that he isn't the best man for the job after talking with his bright and dedicated opponent. Brenda, feeling neglected by family and friends, begins hanging out at a coffeehouse. Sky, a performance artist, convinces Brenda to drop out of high school and get her GED so that she can ""experience life."" Brenda moves out of the Walsh house to apartment-sit for Sky. She learns that life as an artist is not as romantic as it seems, as Sky's utilities are turned off and her furniture is repossessed.

A dog follows Brenda home from a jog. She tries desperately to find the animal a home so that she won't have to take it to a shelter. Brandon and Steve must take over Jim's little league team after he injures his back during infield practice. Brandon is disgusted with the whole experience, particularly the undue influence of the league president (father of the star pitcher) and the players' attitudes. He arranges a practice game with Nat's team of underprivileged kids, where one of his players taunts the hapless second baseman. Brandon stomps off when Steve won't let him remove the boy from the lineup. He stays with the team out of loyalty to his father, but also helps Nat's squad. The fortunes of Nat's team begin to turn around when Andrea brings in a female superstar.

Colin appeases Kelly by ending his affiliation with Claudia and taking a teaching job. A fortune teller sets up shop at the Peach Pit for Halloween. In spite of her questionable credibility, her presence has an impact on many couples. She forces Susan to come clean with Brandon about a past relationship. David buys a love potion to use on Valerie, and the two become closer. Steve and Clare accidentally drink the potion and have a rendezvous in the club's dressing room. Donna spends time at the Halloween party with Joe Bradley, the university's star quarterback. A jealous Ray accosts her, prompting Joe to back off. Ray lurks at Donna's apartment and becomes physical when she refuses to talk to him. Joe returns and comes to Donna's defense; he had reconsidered his decision and wants to date her. Dylan and Toni take in a stray kitten. Toni finds Dylan's gun in the first aid kit and insists that he get rid of it. Toni's father meets her at the Peach Pit in the hopes of ending their rift. H

Joan's daughter Lily comes to town to serve as maid of honor, and seduces best man Brandon. Nat, Brandon and Steve discover that Lily is an exotic dancer. Nat and Joan's wedding comes to a halt when she goes into labor. She refuses to have the baby until she is a married woman, so they tie the knot in the hospital hallway. Joan gives birth to a son, Frankie. Clare insists that she will never get married, as she couldn't bear to walk down the aisle without her mother. Touched by Joan and Nat's romance, she decides to be more receptive to the idea of marriage. Kelly befriends Jimmy, a hospice resident with an upbeat attitude. David moves into Mark's luxurious home. He tries to get another video contract after being dropped by MZA, and refuses to help Donna film the wedding. Valerie sees Kenny having lunch with his family and suspects that he has lied about his marital status.

Music: ""Wedding Bell Blues"" by The Fifth Dimension