The story follows , a young woman in 1990s London who uncovers a long-buried secret involving her mother, Meredith , and a decaying castle in Kent called Milderhurst . Core Plot & Themes

Edie's mother, who spent her formative teenage years at Milderhurst and has kept that time a secret from her daughter. The Blythe Sisters:

The youngest sister whose sanity fractured after a mysterious tragedy in 1941. Reader Reception

A book-loving editor who investigates her mother's past.

The mystery begins when a letter, lost in the mail for 50 years, finally reaches Edie's mother. The letter is from Juniper Blythe , one of three eccentric sisters living at Milderhurst Castle where Meredith was evacuated during the Blitz.

The narrative shifts between the 1990s "present" and the 1940s during World War II.

Elderly twins who have spent their lives caring for their younger sister.