23. Final Approach (1)

To cheer up Helen, Joe restores her old cello. While Helen is busy rediscovering her old passion, Joe and Brian discover that the ages-old treasure hunt they undertook when their father died isn't over yet. They and the rest of the gang are led all over New England, only to wind up back at the airport and discover $250,000 in an old suitcase in an airport locker.