Sabrina Adams thought her luck had finally turned around when she was hired as a librarian for the wealthy Dorsey family. But as soon as she arrives at their elegant estate, she senses something is off. They have cameras everywhere. She’s banned from the third floor, and she spotted someone watching the house from the nearby woods. And why does the housekeeper, Mrs Manning, insist on so many rules?

The 2:00 a.m. call is the first time Lexie Vidler has heard her sister's voice in years. Annie is a drug addict, a thief, a liar - and in trouble, again. Lexie has always bailed Annie out, given her money, a place to sleep, sent her to every kind of rehab. But this time, she's not just strung out - she's pregnant and in premature labor. If she goes to the hospital, she'll lose custody of her baby - maybe even go to prison. But the alternative is unthinkable.

Paris, 1939: The Nazis think Éliane can't understand German. They’re wrong. They think she’s merely cataloging art in a Louvre museum and unaware they’re stealing national treasures for their private collections. They have no idea she’s carefully decoding their notes and smuggling information to the Resistance. But Éliane is playing a dangerous game. Does she dare trust the man she once loved with her secrets, or will he only betray her once again?

In the oldest part of Stockholm, Bell Everhurst is working as a nanny for an affluent family. Hanna and Max Von Greyerz are parents to seven year-old Linus and five-year old twins Ellinor and Tilde, and Bell has been with the family for more than two years. One early spring morning, as she’s rushing out to take the children to school, she answers the phone - and everything changes. A woman from a clinic she’s never heard of asks her to pass on the message that Hanna’s husband is awake.

Twenty-five years after the end of the war, Noah Ainsworth is still preoccupied with those perilous, exhilarating years as a British SOE operative in France. A head injury sustained on his final operation has caused frustrating gaps in his memory—in particular about the agent who saved his life during that mission gone wrong, whose real name he never knew, nor whether she even survived the war.

In the summer of 1951, Miranda Schuyler arrives on elite, secretive Winthrop Island as a schoolgirl from the margins of high society. When her beautiful mother marries Hugh Fisher, Miranda’s catapulted into a heady new world of pedigrees and cocktails. Isobel Fisher, Miranda’s new stepsister is eager to draw Miranda into the arcane customs of Winthrop society. But there are really two clans: the summer families with their steadfast ways and quiet obsessions, and the working class of Portuguese fishermen and domestic workers. Then Miranda is caught in a catastrophe and banished....

It's 1924 in Branchville, South Carolina, and three women have come to a crossroads. Gertrude, a mother of four, must make an unconscionable decision to save her daughters. Retta, a first-generation freed slave, comes to Gertrude's aid by watching her children, despite the gossip it causes in her community. Annie, the matriarch of the influential Coles family, offers Gertrude employment at her sewing circle, while facing problems of her own at home.

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.

Growing up in New York City in the 1910s, Luella and Effie Tildon realize that even as wealthy young women, their freedoms come with limits. But when the sisters discover a shocking secret about their father, Luella, the brazen elder sister, becomes emboldened to do as she pleases. Her rebellion comes with consequences, and one morning Luella is mysteriously gone.

September 1, 1939: Sixty-year-old Janusz Korczak and the students and teachers at his Dom Sierot Jewish orphanage are outside enjoying a beautiful day in Warsaw. Hours later, their lives are altered forever when the Nazis invade. Suddenly treated as an outcast in his own city, Janusz--a respected leader known for his heroism and teaching--is determined to do whatever it takes to protect the children from the horrors to come.

Since she was nine years old, Alina Dziak knew she would marry her best friend, Tomasz. Now 15 and engaged, Alina is unconcerned by reports of Nazi soldiers at the Polish border, believing her neighbors that they pose no real threat, and dreams instead of the day Tomasz returns from college in Warsaw so they can be married. But little by little, injustice by brutal injustice, the Nazi occupation takes hold, and Alina’s tiny rural village, its families, are divided by fear and hate. Then, as the fabric of their lives is slowly picked apart, Tomasz disappears.

In the spring of 1942, young Elzbieta Rabinek is aware of the swiftly growing discord just beyond the courtyard of her comfortable Warsaw home. She has no fondness for the Germans who patrol her streets and impose their curfews, but has never given much thought to what goes on behind the walls that contain her Jewish neighbors. She knows all too well about German brutality - and that it's the reason she must conceal her true identity. But in befriending Sara, Elzbieta makes a discovery that propels her into a dangerous world of deception and heroism.

Paris, 1944: The war is nearly over, but for members of the Resistance in occupied France, it is more dangerous than ever before. Twenty-five-year-old Gabby Foucher loathes the Nazis, though as the concierge of 10 rue Royale, she does her best to avoid conflict - unlike her bolder sister Yvette, who finds trouble at every turn.

For 15 years, Lexi and Jake have played the same six numbers with their friends. Over drinks, dinner parties and summer barbecues, the three couples have discussed the important stuff — kids, marriages, careers — and they’ve laughed off their disappointment when they failed to win anything.

Alix St. Pierre. An unforgettable name for an unforgettable woman. She grew up surrounded by Hollywood glamor, but, as an orphan, never truly felt part of that world. In 1943, with WWII raging and men headed overseas to fight, she lands a publicity job to recruit women into the workforce. Her skills—persuasion, daring, quick-witted under pressure—catch the attention of the U.S. government and she finds herself with an even bigger assignment: sent to Switzerland as a spy. Soon Alix is on the precipice of something big, very big. But how far can she trust her German informant…?