Holmes and Watson board a passenger train bound from London to Edinburgh, to guard the Star of Rhodesia, an enormous diamond worth a fortune belonging to an elderly woman of wealth; but within the first hour of the trip, the woman’s son is murdered and the diamond stolen and any of the passengers in their car could be the killer thief.
While listening to a recording of Penny Serenade, Julie Gardiner Adams begins reflecting on her past. She recalls her impulsive marriage to newspaper reporter Roger Adams, which begins on a deliriously happy note but turns out to be fraught with tragedy. Other songs remind her of their courtship, their marriage, their desire for a child, and the joys and sorrows they have shared. A flood of memories come back to her as she ponders on …
