Descendants of the founder of the Guinness beer empire, they were the toast of 1920s high society, darlings of the press, with not a care in the world. But Felicity knows better. Sent to live with them as a child because her mother could no longer care for her, she grows up as the sisters’ companion. Both an outsider and a part of the family, she witnesses the complex lives upstairs and downstairs, sees the compromises and sacrifices beneath the glamorous surface. Then, at a party one summer’s evening, something happens that sends shock waves through the entire household.

Adelaide Hills, Christmas Eve, 1959. At the end of a scorching hot day, a local deliveryman makes a terrible discovery. A police investigation is called, and the small town of Tambilla becomes embroiled in one of the most shocking and perplexing murder cases in the history of South Australia. Many years later and thousands of miles away, Jess is a journalist in search of a story. Having lived and worked in London for nearly two decades, she now finds herself laid off from her full-time job and struggling to make ends meet. Until a phone call out of nowhere summons her back to Sydney.

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.

Chemist Elizabeth Zott is not your average woman. In fact, Elizabeth Zott would be the first to point out that there is no such thing as an average woman. But it’s the early 1960s and her all-male team at Hastings Research Institute takes a very unscientific view of equality. Except for one: Calvin Evans; the lonely, brilliant, Nobel–prize nominated grudge-holder who falls in love with—of all things—her mind. True chemistry results.

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.

Jess needs a fresh start. She’s broke and alone, and she’s just left her job under less than ideal circumstances. Her half-brother Ben didn’t sound thrilled when she asked if she could crash with him for a bit, but he didn’t say no, and surely everything will look better from Paris. Only when she shows up – to find a very nice apartment, could Ben really have afforded this? – he’s not there.

One hundred and fifty years ago, Chawton was the final home of Jane Austen, one of England's finest novelists. Now, it's home to a few distant relatives and their diminishing estate. With the last bit of Austen's legacy threatened, a group of disparate individuals come together to preserve both Jane Austen's home and her legacy. These people - a laborer, a young widow, the local doctor, and a movie star, among others - could not be more different and yet they are united in their love for the works and words of Austen.

Clara Kelley is not who they think she is. She's not the experienced Irish maid who was hired to work in one of Pittsburgh's grandest households. She's a poor farmer's daughter with nowhere to go and nothing in her pockets. But the other woman with the same name has vanished, and pretending to be her just might get Clara some money to send back home.

Fresh off a bad breakup with a longtime boyfriend, Nantucket sweetheart Lizbet Keaton is desperately seeking a second act. When she’s named the new general manager of the Hotel Nantucket, a once Gilded Age gem turned abandoned eyesore, she hopes that her local expertise and charismatic staff can win the favor of their new London billionaire owner, Xavier Darling, as well as that of Shelly Carpenter, the wildly popular Instagram tastemaker who can help put them back on the map.

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 late 19th-century Chicago, visionary retail tycoon Marshall Field made his fortune wooing women customers with his famous motto, "Give the lady what she wants." His legendary charm also won the heart of socialite Delia Spencer and led to an infamous love affair.

New York City is filled with opportunities for single girls like Alice Weiss, who leaves her small Midwestern town to chase her big-city dreams and unexpectedly lands a job working for the first female editor in chief of Cosmopolitan magazine, Helen Gurley Brown. For Alice, who wants to be a photographer, it seems like the perfect foot in the door, but nothing could have prepared her for the world she enters.

Hollis Shaw, creator of the popular food blog, Hungry with Hollis, is shocked when her heart surgeon husband, Matthew, is killed in a one-car accident on a snowy morning. The cracks in Hollis’s perfect life—her strained marriage and her complicated relationship with her daughter, Caroline—grow deeper. So when Hollis hears about something called a “Five-Star Weekend”—one woman organizes a trip for her best friend from each phase of her life: her teenage years, her twenties, her thirties, and midlife—she decides to host her own Five-Star Weekend on Nantucket.

Billie, Mary Alice, Helen, and Natalie have worked for the Museum, an elite network of assassins, for 40 years. Now their talents are considered old-school and no one appreciates what they have to offer in an age that relies more on technology than people skills.

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.