I don't know exactly what it's about (it sounds mostly fanciful) but it refers to the time when they were living in Boston after college when they were just starting out. "The Charles", "Back Bay", and "South End" are all geographic references to Beantown and "Mrs. Porter's" is a private, all girls boarding school in Farmington, CT, about two and a half hours from Boston.
I don't know exactly what it's about (it sounds mostly fanciful) but it refers to the time when they were living in Boston after college when they were just starting out. "The Charles", "Back Bay", and "South End" are all geographic references to Beantown and "Mrs. Porter's" is a private, all girls boarding school in Farmington, CT, about two and a half hours from Boston.