Mrs Danowski - known as Danni - is the housekeeper of a grand house on the wild coast of Cornwall. When a glamorous young writer, Daphne du Maurier, visits Manderville Hall to research her new novel, she and Danni are drawn into a clandestine and intoxicating affair. For Danni, it is an all-consuming love; for Daphne a submission to long-suppressed desires. But their fragile secret is vulnerable to prying eyes and destined for heartbreak. When Daphne's novel launches to triumphant success, Danni is distraught to find herself transformed into a malign and jealous character on the page. She seeks respite from the hurt by telling her own story: The Housekeeper. What unforeseen encounters, what forbidden feelings can inspire a writer?