1867, Richmond, Virginia: Though she wears the same low-cut purple gown that is the uniform of all the girls who work at Worsham's gambling parlor, Arabella stands apart. It's not merely her statuesque beauty and practiced charm. Even at seventeen, Arabella possesses an unyielding grit, and a resolve to escape her background of struggle and poverty. Collis Huntington, railroad baron and self-made multimillionaire, is drawn to Arabella from their first meeting. Collis is married and 30 years her senior, yet they are well-matched in temperament, and flirtation rapidly escalates into an affair.

1876. In the glittering world of Manhattan's upper crust, women are valued by their pedigree, dowry, and, most importantly, connections. They have few rights and even less independence - what they do have is society. The more celebrated the hostess, the more powerful the woman. And none is more powerful than Caroline Astor - the Mrs. Astor.

Marion Crawford can remember each of the wonderful 16 years when she was governess to the little Princesses Elizabeth and Margaret Rose: included in their lives, confided in, needed, trusted, and loved. These memories will never dim, ever. In Marion's mind, she will always be their Crawfie. But things become increasingly complicated as the young royals navigate adulthood. It is May 1945, and Princess Elizabeth - the heiress presumptive to the British throne - has fallen in love, and the only member of her family who is happy for her is her governess.

London, 1940. Bombs fall and Josie Banks’ world crumbles around her. Her overbearing husband, Stan, is unreachable, called to service. Her home, a ruin of rubble and ash. Josie’s beloved tearoom boss has been killed, and Josie herself is injured, with nothing left and nowhere to go. Evacuated to the English countryside, Josie ends up at the estate of the aristocratic Miss Harcourt, a reluctant host to the survivors of the Blitz. Now a threat looms larger than anyone imagined. And a dangerous secret is about to upend Josie’s life again.

May, 1945. When bells ring out for Victory in Europe, young wife and mother Gwen wonders if her world is about to change. Six years ago, she married Jack—not out of love, but to keep a secret. On their wedding night, hoping to atone for events in his past, Jack promised he would leave for the war the following day and never return. But Jack is coming home, unable to keep the promise he so faithfully made, and full of hope that he may at last win a place in Gwen’s life and her heart.

In 1913, in a quiet corner of London, the three Fry sisters are coming of age, dreaming of all the possibilities the bright future offers. But when war erupts, their innocence is shattered and a new era of uncertainty begins.

When Valerie de Vere Cole, the niece of Prime Minister Neville Chamberlain, makes her deep curtsey to the King and Queen of England, she knows she’s part of a world about to end. The daughter of a debt-ridden father and a neglectful mother, Valerie sees firsthand that war is imminent. Nevertheless, Valerie reinvents herself as a carefree and glittering young society woman, befriending other debutantes from England’s aristocracy as well as the vivacious Eunice Kennedy, daughter of the US Ambassador.

Plymouth, 1941. As sirens blare all around, the Shawbrook family take refuge in a packed shelter. Bombs have already begun to fall through the night sky when they realize their infant son, Freddie, has been forgotten in the rush, left to sleep in his crib. Terrified, Vera, his young mother, races to find him and bring him to safety. The next morning, air-raid warden David Shawbrook returns from his watch to find the shelter pulverized, and his family seemingly all dead. Dirty footprints inside their home betray the looters who have rifled through the house.

Alone and on the streets after their mother ends up in hospital, Charlie has promised his little sister, Maisie, he’ll never let her feel frightened again. That promise is hard to keep when Maisie falls ill. Hope comes in the shape of Susan and the other nurses at the local hospital. Times are tough, and lately they’ve seen even more children come through their doors who need kindness and a loving home. The only way to keep Charlie and Maisie out of the orphanage is to find them a good foster home, but there are far too many people who’d take them in for their own ruthless ends.

Matty has had to care for her three younger sisters ever since their mother’s death 10 years ago. She and the girls’ beloved father have worked hard to keep the family together, and now it’s time to celebrate as Matty turns 18. But their joy is short-lived when tragedy suddenly strikes and their father disappears on his way to London. The sisters have no way of knowing what has happened to him – only that he hasn’t returned home. With little money left they’re now forced to battle life’s misfortunes alone....

In a different world, Evie Milton would have accepted her fate, married an aristocrat and become the doyenne of one of England’s finest estates, just like her mother. In a different world, Rose Wiley would have married her fiancé, David, established a modest homestead and brought up a brood of babies, just like her mother. But this isn’t a different world, and these women are not their mothers. Rose dreams of a life filled with more than family and duty to her husband—a life of purpose—and Evie dreams of a life far away from her rarefied existence.

Paris 1930s. Childhood companions Fleur and Colette make a vow, under the trailing ivy of their secret garden, that they will be secret sisters forever. But as they grow up, the promises of childhood are put to the ultimate test. For Colette is the daughter of the house, and her life is all jazz clubs, silk dresses and chilled champagne, while Fleur is the orphan niece of the housekeeper and doesn’t feel like she belongs anywhere. Years later, in 1939, life as they know it will never be the same.

In 1930s Berlin, choked by the tightening of Hitler's fist, the Klein family are gradually losing everything that is precious to them. Their 15-year-old daughter, Rosa, slips out of Germany on a Kindertransport train to begin a new life in England. Charged with the task of securing a safe passage for her family, she vows that she will not rest until they are safe. But as war breaks out and she loses contact with her parents, Rosa finds herself wondering if there are some vows that can't be kept....

Karen Harper tells the tale of Consuelo Vanderbilt, her “Wedding of the Century” to the duke of Marlborough, and her quest to find meaning behind “the glitter and the gold”.

Bethan Griffiths has returned home for Christmas to unwrap secrets. It's the 1970s and she is back in the village of Foel in the Welsh hills to raise her daughter. They arrive to the open arms of her family and the community, but not all is what it seems, and Beth isn't home for the reason she pretends, either. Vicious notes start appearing that reveal harsh truths about the village inhabitants, stirring up ancient pasts, old loves, and the dead. Not even local dignitary, the elegant and aloof Lady Melling who hides in her manor house, is safe from the accusations.