New England, 2022. Three years ago, single mother Mallory Dunne received the telephone call every parent dreads—her ten-year-old son, Sam, had been airlifted from summer camp with acute poisoning from a toxic death cap mushroom, leaving him fighting for his life. Now, searching for the donor kidney that will give her son a chance for a normal life, Mallory’s forced to confront two harrowing secrets from her past: her mother’s adoption from an infamous Irish orphanage in 1952, and her own all-consuming summer romance fourteen years earlier with her childhood best friend, Monk Adams.

The New York Times best-selling authors of The Glass Ocean and The Forgotten Room return with a glorious historical adventure that moves from the dark days of two World Wars to the turbulent years of the 1960s, in which three women with bruised hearts find refuge at Paris’ legendary Ritz hotel. The heiress...the Resistance fighter...the widow...three women whose fates are joined by one splendid hotel.

Caroline Payne thinks it’s just another day of work until she receives a call from Mat Hammond, an old college friend and historian. But pleasantries are cut short. Mat has uncovered a scandalous secret kept buried for decades: In World War II, Caroline’s British great-aunt betrayed family and country to marry her German lover. Determined to find answers and save her family’s reputation, Caroline flies to her family’s ancestral home in London.

1932. After the Great War took both her beloved brother and her fiancé, Violet Speedwell has become a "surplus woman," one of a generation doomed to a life of spinsterhood after the war killed so many young men. Yet Violet cannot reconcile herself to a life spent caring for her grieving, embittered mother. After countless meals of boiled eggs and dry toast, she saves enough to move out of her mother's place and into the town of Winchester, home to one of England's grandest cathedrals.

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....