1918: Pretty, vivacious Grand Duchess Maria Romanov, the 19-year-old daughter of the fallen Tsar Nicholas II, lives with her family in suffocating isolation, a far cry from their once-glittering royal household. Her days are a combination of endless boredom and paralyzing fear; her only respite are clandestine flirtations with a few of the guards imprisoning the family - never realizing her innocent actions could mean the difference between life and death.

Jackie Kennedy is beautiful, sophisticated, and contemplating leaving her ambitious young senator husband. When she's offered a holiday on the luxurious yacht owned by billionaire Ari Onassis, she says yes...to a meeting that will ultimately change her life. Maria Callas is at the height of her operatic career and widely considered to be the finest soprano in the world. And then she's introduced to Aristotle Onassis, the world's richest man and her fellow Greek. Little by little, Maria's and Jackie's lives began to overlap, until everything they know about the world changes on a dime.

They could have been allies: two self-made millionaires who invented a global industry, in an era when wife and mother were supposed to be the highest goals for their sex. Elizabeth Arden and Helena Rubinstein each founded empires built on grit and determination…and yet they became locked in a feud spanning three continents, two world wars, and the Great Depression.

Dorothy Parker: renowned wit, member of the Algonquin Round Table, and more fragile than she seems. Jane Grant: first female reporter for the New York Times, and determined to launch a new magazine she calls The New Yorker. Winifred Lenihan: beautiful and talented Broadway actress, a casting-couch target. And Peggy Leech: magazine assistant by day, brilliant novelist by night.

1911: When 15-year-old Mary Kirk meets Wallis Warfield at summer camp, she’s immediately captivated by her fearless, brazen, and self-assured personality. Though Mary’s family isn’t crazy about Wallis, Mary stands by her side - even years later when rumors swirl about Wallis and her reckless behavior with the Prince of Wales. But when Mary’s loyalty to Wallis comes into question, their friendship will be put to the test. 1997: After a romantic proposal in Paris, Rachel and her fiancé Alex are in a cab when the car ahead crashes.

Louis Comfort Tiffany, famous for his stained-glass windows, is planning a unique installation at the Paris World’s Fair, the largest in history. At their fifth-floor studio on Fourth Avenue, the artists of the Women’s Division of the Tiffany Glass Company are already working longer shifts to finish the pieces that Tiffany hopes will prove that he is the world’s finest artist in glass. Known as the “Tiffany Girls,” these women are responsible for much of the design and construction of Tiffany’s extraordinary glassworks, but none receive credit.

Between the World Wars, the six Mitford sisters—each more beautiful, brilliant, and eccentric than the next—dominate the English political, literary, and social scenes. Though they've weathered scandals before, the family falls into disarray when Diana divorces her wealthy husband to marry a fascist leader and Unity follows her sister's lead all the way to Munich, inciting rumors that she's become Hitler's mistress.

In the summer of 1925, Thelma Morgan arrives at the Paris Ritz still stinging from the heartache and humiliation of her failed marriage. Her twin sister, Gloria, newly and blissfully wedded to Reginald Vanderbilt and with a baby in tow, has invited her to spend the summer - and though romance is the last thing on Thelma’s mind, she can’t deny that Reggie’s friend Duke Furness is as charming and dapper as he is keen to win her affection.

Selina Lennox is a Bright Young Thing. Her life is a whirl of parties and drinking, pursued by the press and staying on just the right side of scandal, all while running from the life her parents would choose for her. Lawrence Weston is a penniless painter who stumbles into Selina's orbit one night and can never let her go even while knowing someone of her stature could never end up with someone of his. Except Selina falls hard for Lawrence, envisioning a life of true happiness. But when tragedy strikes, Selina finds herself choosing what's safe over what's right.

1838: Northumberland, England. Longstone Lighthouse on the Farne Islands has been Grace Darling’s home for all of her 22 years. When she and her father rescue shipwreck survivors in a furious storm, Grace becomes celebrated throughout England, the subject of poems and plays. 1938: Newport, Rhode Island. Nineteen-years-old and pregnant, Matilda Emmerson has been sent away from Ireland in disgrace. She is to stay with Harriet until her baby is born. As a deadly hurricane approaches, two women, living a century apart, will be linked forever by their instinctive acts of courage and love.

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.

Madeleine Talmage Force is just 17 when she attracts the attention of John Jacob "Jack" Astor. Jack's mother was the Mrs. Astor, American royalty and New York's most formidable socialite. Despite their 29-year age difference and the scandal of Jack's recent divorce, Madeleine falls headlong into love. On their honeymoon in Egypt, the newlyweds finally find a measure of peace away from photographers and journalists. Madeleine feels truly alive for the first time - and is happily pregnant. The couple plans to return home in the spring of 1912, aboard an opulent new ocean liner.

Mrs. Post, the President and First Lady are here to see you. . . . So begins another average evening for Marjorie Merriweather Post. Presidents have come and gone, but she has hosted them all. Growing up in the modest farmlands of Battle Creek, Michigan, Marjorie was inspired by a few simple rules: always think for yourself, never take success for granted, and work hard—even when deemed American royalty, even while covered in imperial diamonds.

In her twenties, Belle da Costa Greene is hired by J. P. Morgan to curate a collection of rare manuscripts, books, and artwork for his newly built Pierpont Morgan Library. Belle becomes a fixture in New York City society and one of the most powerful people in the art and book world, known for her impeccable taste and shrewd negotiating for critical works as she helps create a world-class collection.

In December 1926, Agatha Christie goes missing. Investigators find her empty car on the edge of a deep, gloomy pond, the only clues some tire tracks nearby and a fur coat left in the car - strange for a frigid night. Her World War I veteran husband and her daughter have no knowledge of her whereabouts, and England unleashes an unprecedented manhunt to find the up-and-coming mystery author. Eleven days later, she reappears, just as mysteriously as she disappeared, claiming amnesia and providing no explanations for her time away.

1911: When 15-year-old Mary Kirk meets Wallis Warfield at summer camp, she’s immediately captivated by her fearless, brazen, and self-assured personality. Though Mary’s family isn’t crazy about Wallis, Mary stands by her side - even years later when rumors swirl about Wallis and her reckless behavior with the Prince of Wales. But when Mary’s loyalty to Wallis comes into question, their friendship will be put to the test. 1997: After a romantic proposal in Paris, Rachel and her fiancé Alex are in a cab when the car ahead crashes.

The stories of two very different women, linked by the secrets and lies of history, merge together as past and present weave together in this stunning story of love, loss and resilience. 2016. Kitty, fleeing from a devastating revelation in her own life, finds herself at her great-grandfather's cabin in Lake Akanabee. There she discovers a gorgeous necklace, which leads her uncover to long-buried family secret. 1914. Tatiana, Grand Princess of Russia, falls in love with Dmitri, a Russian solider, as she nurses him back to health.

They could have been allies: two self-made millionaires who invented a global industry, in an era when wife and mother were supposed to be the highest goals for their sex. Elizabeth Arden and Helena Rubinstein each founded empires built on grit and determination…and yet they became locked in a feud spanning three continents, two world wars, and the Great Depression.

1966, NYC: Jacqueline Susann’s Valley of the Dolls hits the bookstores and she is desperate for a bestseller. It’s steamy, it’s a page-turner, but will it make the big money she needs? In London, Jackie Collins’s racy The World Is Full of Married Men launches her career. But neither author is prepared for the price they will pay for being women who dare to write about sex. Jacqueline and Jackie are lambasted by the literary establishment, deluged with hate mail, and even condemned by feminists. In public, both women shoulder the outcry with dignity; in private, they are crumbling.

Jackie Kennedy is beautiful, sophisticated, and contemplating leaving her ambitious young senator husband. When she's offered a holiday on the luxurious yacht owned by billionaire Ari Onassis, she says yes...to a meeting that will ultimately change her life. Maria Callas is at the height of her operatic career and widely considered to be the finest soprano in the world. And then she's introduced to Aristotle Onassis, the world's richest man and her fellow Greek. Little by little, Maria's and Jackie's lives began to overlap, until everything they know about the world changes on a dime.