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.

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.

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.

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.

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.

Rosanna Menici is just a girl when she meets Roberto Rossini, the man who will change her life. In the years to come, their destinies are bound together by their extraordinary talents as opera singers and by their enduring but obsessive love for each other - a love that will ultimately affect the lives of all those closest to them. For, as Rosanna slowly discovers, their union is haunted by irreversible events from the past....

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.

Troubled by recent loss, Grania Ryan has returned to Ireland and the arms of her loving family. It is here, on a cliff edge, that she first meets a young girl, Aurora. Strangely drawn to Aurora, Grania discovers that their families are deeply entwined. From a bittersweet romance in wartime London to a troubled relationship in contemporary New York, the Ryans and the Lisles have been entangled for a century.

Ally D'Aplièse is about to compete in one of the world's most perilous yacht races, when she hears the news of her adoptive father's sudden, mysterious death. Rushing back to meet her five sisters at their family home, she discovers that her father—an elusive billionaire affectionately known to his daughters as Pa Salt—has left each of them a tantalizing clue to their true heritage. Ally has also recently embarked on a deeply passionate love affair that will change her destiny forever. But with her life now turned upside down.

Summer 1924. On the eve of a glittering Society party, by the lake of a grand English country house, a young poet takes his life. The only witnesses, sisters Hannah and Emmeline Hartford, will never speak to each other again. Winter 1999. Grace Bradley, 98, one-time housemaid of Riverton Manor, is visited by a young director making a film about the poet’s suicide. Ghosts awaken and memories, long consigned to the dark reaches of Grace’s mind, begin to sneak back through the cracks. A shocking secret threatens to emerge – something history has forgotten but Grace never could.