Known for its luxurious accommodations and bespoke service, the Hotel Louis XVI has been the most lauded boutique hotel in all of Paris for decades, attracting an international clientele of the rich and famous. Now, after four years of renovations and the death of its legendary and beloved manager, it is set to reopen its doors at last. An esteemed group of loyal returning guests is set to descend upon the hotel, joined by a number of new faces who have managed to secure coveted bookings in the wake of last-minute cancellations.

Joachim von Hartmann was born and raised in Buenos Aires by his loving German mother, inseparable from his identical twin. When Joachim moves to Paris with his mother in his late teens, his twin stays behind and enters a dark world. Meanwhile, Joachim begins training to be a butler, fascinated by the precision and intense demands, and goes on to work in some of the grandest homes in England. Olivia White has given 10 years of her life to her magazine. A bequest from her mother allows her a year in Paris to reinvent herself. It is then that her path and Joachim's cross.

Gaëlle de Barbet is 16 years old in 1940 when the German army occupies France and frightening changes begin. She is shocked and powerless when French gendarmes take away her closest friend, Rebekah Feldmann, and her family, and send them to a detention camp for deportation to an unknown, ominous fate.

Meredith White was one of Hollywood's most recognizable faces. But a personal tragedy cut her acting career short and alienated her from her family. For the last 15 years, Meredith has been living alone in San Francisco with two trusted caretakers. Then a massive earthquake strikes Northern California. Meredith invites her stunned and shaken neighbors into her mostly undamaged home as the recovery begins. These people did not even realize that a movie star was living on their street. Now, they are sharing her mansion, as well as their most closely kept secrets.

Audrey Parker's life changes forever when Pearl Harbor is attacked on December 7, 1941. Her brother, a talented young Navy pilot, had been stationed there, poised to fulfill their late father's distinguished legacy. Fresh out of nursing school with a passion and a born gift for helping others, both Audrey and her friend, Lizzie, suddenly find their nation on the brink of war. Driven to do whatever they can to serve, they enlist in the Army and embark on a new adventure as flight nurses.