Fiona Reynolds, director-general of the National Trust, comes to Sissinghurst to respond to Adam's concerns about the future of the farm project.
Sarah's menu pleases the punters in the restaurant, but head chef Steve is still reluctant to give her credit.
Adam and his sister Juliet relive Vita's last days as she contracted cancer and died, leaving husband Harold devastated.
The garden closes for the winter and Adam surprises Sarah with a trip in a hot air balloon. They look down on Sissinghurst and wonder if the changes they envisaged have been achieved and whether they can continue to live at Sissinghurst.
Whatever the outcome and whatever the upheavals, the beauties of Sissinghurst will continue to delight visitors for years to come.
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