Antonio works a suicide hotline one night and finds himself on a date with a depressed caller. When she turns out to be gorgeous he wonders how long until he gets dumped. Helen has to compete with a sandwhich vendor cart.
It's Halloween and everybody wants to enjoy it and go to parties. But a guy shows up and buys a ticket; Joe and Brian don't want to fly him cause they have plans. The guy gets a call from his wife who had earlier dumped him. He says that he's a medical courier and he is carrying the gift of life. But Joe and Brian convince him to go to his wife and he leaves his cooler behind. They look inside and see a canister that says Nelson's heart. They assume it's a heart for a transplant. So they try to find out where it goes.
Casey encourages Brian to use his insurance money to open a martini bar. Things go awry when the first customer through the door slips and falls. Brian's problems are compounded when he learns Casey never got insurance. Roy and Faye hunt for ET's.
Brian and Helen's trip to New York to see "Rent" turns into a nightmare when the theatre refuses to transfer the tickets from Helen's benefactor to her. A con-man robs them of their money, Helen is forced to compete in a drag queen contest. A bad back leaves Joe in the house alone with a talkative Antonio.
Kicked out by Joe and Helen, Brian and Casey move into a new home with the help of a new roommate Antonio who actually lives with his girlfriend. Things suddenly become crowded when Antonio is dumped and has to move back home. Joe and Helen's nudism has them threatened with blackmail when the neighbor kids snap photos of them.
Joe makes a music room in the attic for Helen. He moves a piece of luggage out for Brian, who discovers a secret note from their deceased father and key for a lock box. The duo set out on another finders keepers quest just like they did eight years earlier. They enlist Faye, Antonio an Casey on their quest which takes them to Boston, New York, and eventually back to Nantucket, only to find another suitcase in the airport locker, right next to the one from 8 years before. Helen plays for another symphony and gets turned down again.
This time the suitcase actually contains money - a lot of money. Brian and Joe fight over what to do with the money, Joe always practical, Brian always impulsive, and go their separate ways. This leaves Faye wondering if she will still have a job, but instead Joe offers her 5% of the company for her loyalty. Helen hears back from the conductor in her interview and is invited to study with him in Vienna, but Joe doesn't want to leave Sandpiper. But when he learns of Helen's amazing opportunity he makes the ultimate sacrifice and finally actually agrees to sell ...