Given the question: Build a movie plot around this: With whom did Stella's father have an affair? The book's pages turn by themselves, unseen.
The answer is:
Roderick Fitzgerald and his sister Pamela are enjoying the last day of their holiday on the Devonshire coast in the spring of 1937. Walking on the beach with their dog Bobby, they climb a cliff and wind up in the garden of a large uninhabited house. When Bobby spies a squirrel and chases it into the house through an open window, Roderick and Pam follow, intending to save the squirrel from their dog. But the squirrel more than holds its own and escapes up the chimney after nipping Rick's hand.Once the crisis is past Pam notices how lovely the inside of the house is and decides to explore. It reminds them both of their childhood home, and they become enamored of it immediately. Pam becomes excited at the prospect of actually buying the house, and has an answer for each argument that Rick comes up with including the fact that Rick, who writes reviews of music for a newspaper, would be able to compose his own music. They decide to see about the possibility of buying the house, after Pam exclaims that "Important decisions must be made quickly."Discovering from a woman in the nearby village that the house, called Windward, is for sale, they go to call on the owner, Commander Beach. The Commander is not at home, but his granddaughter, Stella Meredith, welcomes them in to wait for him. But Stella's demeanor changes from warm and friendly to almost hostile when she discovers their purpose in visiting. While she tries to send them away her grandfather arrives home. Stella pleads with him to not sell the house, but he dismisses her and sits down to discuss the transaction.The Commander assures Rick and Pam that the house is sound, and that a lot of money was spent on it twenty years before when he gave it to his daughter Mary as a wedding gift. Rick and Pamela make an offer of 1200 pounds, which is considerably below the house's actual value. To their surprise, the Commander accepts their offer, saying that 1200 pounds in the bank for Stella would ease his mind. The commander asks whether they would be bothered by...