1940: In south-west Ireland, the young and beautiful Lady Charlotte Rathmore is pronounced dead after she disappears by the lake of Blackwater Hall. In London, on the brink of the Blitz, Nancy Rathmore is grieving Charlotte's death when a letter arrives containing a secret that she is sworn to keep. 2019: Ellie Fitzgerald is forced to leave Dublin disgraced and heartbroken. Abandoning journalism, she returns to rural Kerry to weather out the storm. But, when she discovers a faded letter, tucked inside the pages of an old book, she finds herself drawn in by a long-buried secret.

Minnie is supposed to find a nice man, get married and have children. The problem is it doesn’t appeal to her at all. She is working as a secretary but longs to make a difference. Then, one day, she gets her chance. She is recruited by the British government as a spy. Under strict instructions not to tell anyone, not even her family, she moves to London and begins her mission - to infiltrate the Communist movement.

Lillie Silva knew life as an empty nester would be hard after her only child left for college, but when her husband abruptly dumps her for another woman just as her son leaves, her world comes crashing down. Besides the fact that this announcement is a complete surprise (to say the least), what shocks Lillie most is that she isn't...heartbroken. She's furious. Lillie has loved her life on Cape Cod, but as a mother, wife and nurse-midwife, she's used to caring for other people...not taking care of herself. 

Norway, 1942. War rages, and, under cover of darkness, Rumi Orlstad and her fellow resistance fighters smuggle British agents, fugitives and supplies across the North Sea into Nazi-occupied territory. One night, when he braves a storm to complete an ill-fated mission, Rumi’s fiancé is lost to the dangerous waters. Broken-hearted, she withdraws from the clandestine group, vowing never to let her loved ones put themselves in the line of fire again. 

When a beautiful English-speaking young woman named Anya is recruited to be a Russian spy working with the Nazi party, her first thought is that it means she can escape a terrifying situation at home. But when she finds herself sent to work as a land girl in a beautiful corner of England and begins to make friends—ones she knows she may have to betray—she fears she’s made a terrible mistake. The only person she can turn to is her fellow informer, Nikolai, and she finds herself impossibly drawn to his quiet intensity. But being together increases the risk to them both.

London, 1940. When nurse Elsie offers to send a reassuring letter to the family of a patient, she has an idea. She begins a book of last letters: messages to be sent on to wounded soldiers’ loved ones should the very worst come to pass so that no one is left without a final goodbye. London, present day. Stephanie has a lot of people she’d like to speak to: her estranged brother, to whom her last words were in anger; her nan, whose dementia means she is only occasionally lucid enough to talk.

As the war begins, Hanna Rombauer, a young German woman, is sent to live with her aunt and uncle after her mother’s death. Thrown into a life of luxury she never expected, Hanna soon finds herself unwillingly matched with an SS officer twenty years her senior. The independence that her mother lovingly fostered in her is considered highly inappropriate as the future wife of an up-and-coming officer and she is sent to a “bride school.” There, in a posh villa on the outskirts of town, Hanna is taught how to be a “proper” German wife. 

In the snowbound city of Kiev, wry and bookish history student Mila Pavlichenko organizes her life around her library job and her young son—but Hitler’s invasion of Russia sends her on a different path. Given a rifle and sent to join the fight, Mila must forge herself from studious girl to deadly sniper—a lethal hunter of Nazis known as Lady Death. When news of her three hundredth kill makes her a national heroine, Mila finds herself torn from the bloody battlefields of the Eastern Front and sent to America on a goodwill tour.

If Fiona has learned anything in life, it’s how to keep a secret - even from the father who raised her. She is the only person who knows about her late mother’s affair in Tuscany thirty years earlier, and she intends to keep it that way...until a lawyer calls with shocking news: her biological father has died and left her an incredible inheritance - along with two half siblings. 

1937. Katya Komarovsky is studying medicine in Glasgow, living among friends and eager to begin her career as a doctor. But when her spendthrift parents announce that they’ve run out of money and are facing ruin - and that she’ll now have to support them by working as a governess in Vienna - the life she’s dreamed of goes up in smoke. Furiously resentful, Katya rages at her wealthy employer, Thor, for stealing her future - and saddling her with twelve-year-old Gretchen, a deeply troubled child who has only a blazing musical talent to redeem her.

England, 1937: After a devastating childhood at Blakely Hall Orphanage, 15-year-old Sandra is released. She finds work as a housemaid, finally able to put her past behind her. But the start of World War Two throws the country into turmoil, and her brother, Alf, is sent away to fight, leaving her completely alone. Germany, 1939: Eleven-year-old Frieda is about to board a ship bound for England with her brother, Kurt. But at the last moment, as Frieda stands on the deck crammed with frightened children, she spots her brother jumping off, back to land.

When a police detective is taken off life support after falling into a coma, only an autopsy reveals the murderous act that precipitated her death. She'd been working on a special task force within North London's Nigerian community, and Acting Detective Superintendent Thomas Lynley is assigned to the case, which has far-reaching cultural associations that have nothing to do with life as he knows it. 

England, 1959: Laurel Nicolson is 16 years old, dreaming alone in her childhood tree house during a family celebration at their home, Green Acres Farm. She spies a stranger coming up the long road to the farm and then observes her mother, Dorothy, speaking to him. And then she witnesses a crime.

Elisabetta, Marco, and Sandro grow up as the best of friends despite their differences. Elisabetta is a feisty beauty who dreams of becoming a novelist; Marco the brash and athletic son in a family of professional cyclists; and Sandro a Jewish mathematics prodigy, kind-hearted and thoughtful, the son of a lawyer and a doctor. Their friendship blossoms to love, with both Sandro and Marco hoping to win Elisabetta's heart.

1942. Three years into the war, Pam turns down her hard-won place at Oxford University to become a codebreaker at Bletchley Park. There, she meets two young men both keen to impress her, and Pam finds herself falling hard for one of them. But as the country’s future becomes more uncertain by the day, a tragic turn of events casts doubt on her choice. Present day. Julia is struggling to juggle her career, two children and a husband increasingly jealous of her success. Her brother presents her with the perfect distraction: photos of their grandmother as a young woman at Bletchley Park.