Hampshire, UK, 2015. When Chloe Harper’s beloved grandmother, Lena dies, a stranger hands her Lena’s wartime diary. Chloe sets out to uncover deep family secrets that Lena guarded to her grave. Darjeeling, India, 1943, Lena Chatterjee leaves the confines of a strict boarding school to work as assistant to Lieutenant George Harper, an officer in the British Indian Army. She accompanies him to Nepal and deep into the Himalayas to recruit Gurkhas for the failing Burma Campaign. There, she discovers that Lieutenant Harper has a secret, which she vows never to reveal.

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.

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.

After 30 years of marriage, and a wonderful family Christmas, Louisa is stunned when husband Kip asks for a divorce on Boxing Day. He’d never seemed unhappy – and they’ve raised three children together. For months, Kip has been secretly seeing a younger woman – and if that wasn’t bad enough – it’s the woman who broke their youngest son’s heart. Now Kip is moving out and embarking on a new life with Zoe, and Louisa is left to pick up the pieces. Their beloved family home, Charity Cottage, is up for sale, and tensions are running high.

1995, London. When Sir James Harrison, one the greatest actors of his generation, passes away at the age of 95 he leaves behind not just a heartbroken family but also a secret so shocking, so devastating that it could rock the English establishment to its core. Joanna Haslam is an ambitious young journalist assigned to cover the legendary actor's funeral. The great and the good of the celebrity world are there. But Joanna stumbles on something dark beneath the glamour: the mention of a letter James Harrison has left behind, the contents of which others have been desperate to conceal for over 70 years.