In the heyday of the British Raj, 11-year-old Anahita, from a noble but impoverished family, forms a lifelong friendship with the headstrong Princess Indira, the privileged daughter of rich Indian royalty. Becoming the princess's official companion, Anahita accompanies her friend to England just before the outbreak of the Great War. There, she meets the young Donald Astbury - reluctant heir to the magnificent, remote Astbury Estate - and his scheming mother.

Thirty years have passed since Greta left Marchmont Hall, a grand and beautiful house nestled in the hills of rural Monmouthshire. But when she returns to the Hall for Christmas she has no recollection of her past association with it – the result of a tragic accident that has blanked out more than two decades of her life. Then, during a walk through the wintry landscape, she stumbles across a grave in the woods and the weathered inscription on the headstone tells her that a little boy is buried here.

Georgian mansion Wharton Park was a place of childhood solace for Julia Forrester, spending summers in the Norfolk countryside with her beloved grandfather. So after tragedy strikes, she finds herself seeking comfort at Wharton and the allure of its hothouse, once home to exotic flowers from all corners of the globe but now lying abandoned. There she meets the new owner, the charming and magnetic Kit Crawford, whose own past is shrouded in sadness and mystery.

The present: Emilie de la Martiniéres has always fought against her aristocratic background, but after the death of her glamorous, distant mother, she finds herself alone in the world and sole inheritor of her grand childhood home in the south of France. An old notebook of poems leads her in search of the mysterious and beautiful Sophia, whose tragic love affair changed the course of her family history.

The sudden death of a pupil in Fleat House at St Stephen’s—a small private boarding school in deepest Norfolk—is a shocking event that the headmaster is very keen to call a tragic accident. But the local police cannot rule out foul play and the case prompts the return of high-flying Detective Inspector Jazmine ‘Jazz’ Hunter to the force. Jazz has her own private reasons for stepping away from her police career in London, and reluctantly agrees to front the investigation as a favour to her old boss.