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

Kelly helps Jimmy treat a bleeding cut, and panics after getting some of the blood on her hand. The doctor assures her that she cannot contract HIV this way, but she decides to take an AIDS test because of her history of unprotected sex. The test is negative, and Kelly apologizes for shunning Jimmy. The gang watches Jimmy perform a magic show; later that evening, he tells Kelly that he has just a few days to live. David refuses to tell his father that he has dropped out of school, so Donna breaks the news to Mel. Mel issues David an ultimatum: he must finish college or lose all financial support. Brandon and Mark hire a confident young woman as their news anchor. She suffers a panic attack just before the first broadcast. Mark and Brandon try to calm her with a drink, and she ends up getting plastered. Kenny declares his love for Valerie.

Kelly and David take Jimmy to church to celebrate the Jewish New Year. Jimmy becomes very ill the next day and thanks Kelly for her friendship before dying. Donna gives a shy basketball player a makeover to help her get into the Alpha house. She is accepted, but decides to pledge a sorority that is not so elitist. Donna resigns as rush chairperson to protest the behavior of Alpha president Ellen. Steve leads a group of KEG pledges in a Spirit Day prank; they run through Chancellor Arnold's speech wearing nothing but shaving cream, only to have the sprinklers come on. The dean becomes furious when the incident is replayed on the CU News, as she considers it sexual harassment. Chancellor Arnold, with Mark's cooperation, orders Brandon to turn over the tape so that he can identify the offenders. He reluctantly gives the chancellor the tape, which is mysteriously blank. Tracy reveals that she erased the video with a magnet out of loyalty to Steve and Brandon. Kenny rents a love nest for hi