Harry and Charley get stranded at sea. Maxine tries to overcome her fear of public speaking.

When the baby can't stop sneezing, Carol hires Studs With Suds to clean the house from top to bottom, and Sophia charges her friends to come and see them in action. But when they think it may be Dreyfuss causing the allergy, Harry takes him to stay with Charley, who doesn't want to give him back. Meanwhile, strange noises from upstairs make Laverne think the clinic is haunted by the ghosts of men who were murdered there years before.

Harry persuades his old jazz idol Sonny Baxter to come out of retirement and play at a benefit. Strange things start happening after Sophia vows revenge on Charley for dumping her niece.

Sophia, who is fed up with the strict Shady Pines manager, moves in with the Westons. Carol tries to help with the problem and ends up bringing all the retirement home residents to the house. Meanwhile, Maxine doesn't trust Doris, Laverne's temporary replacement at the clinic.

Harry is attracted to the minister Charley is dating. Meanwhile, Maxine buys Laverne's beloved truck.

Harry is attracted to a woman he meets in the park, but soon finds out she is married. Laverne keeps a parrot at the office while waiting for it's owner to claim it, which annoys Maxine. Carol goes overboard when shopping at a value size discount club.

When the clinic closes due to an asbestos problem, Laverne persuades Maxine to go to Hickory with her to help plan her wedding, which Laverne's mother is going overboard with. Meanwhile, Carol announces her engagement to Kevin, Harry decides to sell the house and move to Vermont where he's been offered a teaching job, and Charley and Sophia get lost on the road to Hickory. The wedding plans cease when Laverne elopes, and Carol breaks up with Kevin after hearing of Harry's move.

With the gang fretting over Laverne's elopement, Kevin comes to see Carol and the two decide to get married with Laverne's father performing the ceremony. Laverne and Matt return unhitched and the ceremony becomes a double wedding. Barbara returns home to pack her things, but Harry has second thoughts about moving...until he is confronted by his dead wife Libby's ghost.