In 1942, London. Nancy Mitford jumps at the chance to manage the Heywood Hill bookshop while the owner is away at war. When a mysterious French officer insists that she has a story to tell, Nancy must decide if picking up the pen again and revealing all is worth the price she might be forced to pay. Eighty years later, Heywood Hill is abuzz with the hunt for a lost wartime manuscript written by Nancy Mitford. For one woman desperately in need of a change, the search will reveal not only a new side to Nancy, but an even more surprising link between the past and present.