July, 1940. Blitz-ridden London: Marnie Fern’s life is torn apart when her grandfather is killed in an air raid. But once she discovers that he’d been working undercover as a radio operative – or pianist – for the Dutch resistance, Marnie knows she must complete his mission – no matter the cost. Nazi-occupied Amsterdam: At the other end of the wireless, fellow pianist Corrie Bakker is caught in a dangerous game of cat-and-mouse as she desperately tries to keep her loved ones out of the line of fire – even if it means sacrificing herself.

Following a humiliating experience involving the man she thought she’d marry, Iris Tredwick signs up to the Wrens in order to escape and - hopefully - find ‘the right sort’ of man to please her mother. After a bumpy start, Iris manages to befriend outspoken Mary and dreamer Sally as they are sent to their first posting - in Orkney. There she meets engineer Rob, whose flirtatious nature both charms and confounds straight-laced Iris. Much more appropriate for her is local doctor Stewart, if only she felt the same spark for him as she does for Rob.

Lady Joanna Harcourt and her daughter, Sarah, discover their life of luxury at Goodwill House is over. Because with Lord Harcourt away fighting, the Harcourt girls are facing financial ruin. Lady Joanna is terrified of losing their home, but for Sarah, this means her dreams of becoming a doctor are over. Headstrong Sarah isn’t one to quit! War or not, she’s determined to find a way to save her home and follow her dreams - whatever it takes.

Rhoda Middleton suspects her husband Peter is having an affair. But when Rhoda tracks the mysterious woman down, she finds she is not his lover after all, but the wife of his wartime best friend, Archie Foster. There is only one problem - Rhoda has never even heard of Archie Foster.

On the eve of a world war, a forbidden love will blossom in the garden of a stately home, where one young woman will make a choice that will change her life forever. As the storm clouds of war gather, Cordelia seeks refuge in the grounds of her family estate. Handsome landscaper Isaac has recently arrived to tend to the gardens, and the connection between him and Cordelia is as immediate as it is forbidden. Isaac begins to secretly teach her how to cultivate the gardens, so when he and all the young men are called away to war, Cordelia takes over.

1904: Ellen Copley is still a child when she leaves behind the sooty rail yards of Glasgow and crosses the Atlantic Ocean with a heart full of dreams. Yet within weeks of their arrival in America, her father has disappeared - leaving Ellen with resentful relatives, feeling alone and scared for her future. But then her kind Aunt Rose invites Ellen to stay with her large family in their rambling house on beautiful Amherst Island, which nestles like a jewel in the blue waters of Lake Ontario.

England, 1940. Opening the box with trembling hands, she couldn’t believe it–a tiny baby lay inside. She gently lifted the newborn as it started to cry. Cradling the little one to her chest, she searched the darkness for any sign of whoever left it here. And as she rocked the child, something fluttered to the ground...a ration book.

1942, Manchester. World War II is in full swing, and Lily Mullins is determined to do her bit for the war effort. Her friends and sweetheart have all joined up, and Lily's sure there must be a role for her that goes further than knitting socks for the troops! When she decides to volunteer for the Women's Auxiliary Air Force, Lily soon discovers that she has a talent as a wireless operator. Helped along the way by a special gang of girls, she finds strengths she didn't know she had and realises that the safety of the country might just be in her hands....

Paris, 1941. As we drive down the cobbled street, I take in the red banners with swastikas covering every building. Suddenly, a group of guards appears. I duck beneath the window of the car, and my heart thumps as my hand jumps to my chest. But I’m not wearing my yellow star now, I left it with my sister. Tears well in my eyes. Will I ever see her again?

Vienna, 1937. When beautiful American Kitty becomes engaged to Austrian diplomat Edgar, she finds herself thrown into a very different world in Europe, and soon longs for home. But when the woman designing her wedding dress, Judith, takes Kitty under her wing, she sees the city of Vienna in a new light–a city of culture and music that she can explore with her new friend.

1997. Amy Novak has lost the two great loves in her life: her husband, Michael, and her first love, music. With the first anniversary of Michael's death approaching, Amy buries herself in her job as an archivist. And when a newly declassified file lands on her desk, she is astonished to uncover proof that Agent 'Colette' existed—a name spoken only in whispers; an identity so secret that it has never been verified.

When Stefania Carmichael steps into the mysterious world of Bletchley Park, she immediately finds herself signing the Official Secrets Act. In whispers, she is told that she’s been recruited because of her talent for languages. Before the war ripped Europe apart, Stefania was living in Rome, charming everyone she met, and engaged to the man of her dreams, handsome and brave Matteo. And now everything has changed. With secrets swirling around the building, Stefania finds it hard to know who to trust, until she forms a close bond with two other new recruits.

1950. In the wake of the war, Audrey Clarkson leaves her manor house in England for a fresh start in America with her young son. As a widowed war bride, Audrey needs the support of her American in-laws, whom she has never met. But she arrives to find that her longtime friend Eve Dawson has been impersonating her for the past four years. Unraveling this deception will force Audrey and Eve’s secrets - and the complicated history of their friendship - to the surface.

Abandoned by her father and neglected by her self-centered, unstable mother, Sheila McGee cannot wait to escape the drudgery of her mill village life in Northern Ireland. Her classic Irish beauty helps her win the 1941 Linen Queen competition, and the prize money that goes with it finally gives her the opportunity she's been dreaming of. But Sheila does not count on the impact of the Belfast blitz which brings World War II to her doorstep. Now even her good looks are useless in the face of travel restrictions, and her earlier resolve is eroded by her ma's fear of being left alone.

London, 1941. The Blitz. When a Royal Navy memo arrives at head office, requesting female recruits to sign up as motorcycle dispatch riders, delivering highly classified orders across the country, three women jump at the chance to sign up for the most dangerous jobs in London.