Germany, 1945. As the ground shakes and the air raid sirens wail, Katja holds her tiny baby to her chest. She pictures Karl’s handsome face and kind blue eyes, her breath catching at the thought of him heading back to the front. She must never tell anyone about the letters she delivered for him or the other secret she is hiding....

For many years Elizabeth Lawson has battled single-handedly to run the family's historic horse stud in memory of her beloved father. But a devastating loss puts her dreams at risk. With no options left, Liz is forced to turn to her estranged sister Kayla for help. Kayla has built a new life in the city as a wedding planner, far removed from the stableyard sweat and dust of her rural upbringing. She never thought she'd go back. But when Liz calls out of the blue, Kayla forms a plan that could save their childhood home.

Austria, 1938. After years of hardship, Ella is full of hope for a better future for Austrians, and when Hitler marches into Linz, she can’t help but become swept up in the euphoria of her boyfriend, Max. But she soon realises her mistake. When she witnesses a woman being shot in the street and a childhood friend’s Jewish department store is closed down, she knows she must do something. It’s a dangerous time to be a resistor, especially when her fascist boyfriend proposes to her.

Paris, 1943. German soldiers drag me out onto the cobbled street and push me toward the waiting truck. I force myself to face forward as tears stream down my cheeks. If I look back, they’ll know. I can’t let them find my baby girl....

When Nazis break down the front door of 18-year-old Trudi’s home and seize the Jewish couple hiding in her attic, she’s devastated, and is suddenly solely responsible for their two innocent children. The whispered rumours about the resistance are her only hope. A man called Frans and his cousin Piet risk their lives every day helping scared and abandoned Jewish children escape into the countryside. Under the cover of night, she races to beg for their help.

With her ex soon to be married, her mum back on the dating scene, and her best friend threatening to settle down with the Most Boring Man Alive, Stevie is feeling left behind. To top it off, her old uni mate Johnno West, whom she hasn't seen for years, keeps turning up as best man at Stevie's jobs. And he is looking so good. Perhaps their youthful pact—that if they were both still single in their early thirties they'd get together—is not so crazy after all? Then the enigmatic Charlie Jones walks into the frame.

I sent 19-year-old Phyllis, my youngest recruit, into a city crawling with enemy soldiers. And this beautiful house on a tree-lined street, the headquarters of cold-hearted German soldiers, was the last place she was seen. I trail my fingers along the gilded furniture and see the light dance off the glittering chandeliers. On the top floor, I find the dates inscribed by beaten prisoners, and I know my girl was shown no mercy.

As war looms in Europe, 18-year-old Jane Shaw runs the household as an unpaid servant on a meagre budget. When tragedy strikes and she loses her beloved younger brother in suspicious circumstances, Jane takes a position in service looking after Ned, a troubled young boy. Here she meets dashing David Heron, Ned's Uncle and they form an immediate attachment until she is dismissed after being accused of stealing a piece of jewellery. Returning home, Jane and her sister, Melia, are soon orphaned and left at the mercy of their Aunt Alice.

With a fake name written on the papers in her pocket, American photographer Clarisse Alarie knows the dangers of Paris better than most. Haunted by the sight of children being dragged away and carrying a photograph of the brown-eyed little girl everywhere she goes, Clarisse is desperate to make a difference. Soon, Clarisse is risking her life every day. Taking photographs of the terror that has overcome the beautiful city, Clarisse follows members of the Gestapo and hides in plain sight in order to gather evidence of their terrible crimes.

June 1914. Edie Moore is a Governess for Lord and Lady Moreland, living comfortably at the grand Downland House in Sussex. But, wanting more from life, she flees to Littlehampton, where she spent many idyllic childhood holidays. Desperate for work, Edie begins working as a chambermaid at the prestigious Beach Hotel, despite the menial tasks being a far cry from her previous job. But as she navigates her new life, friendships, and rivalries, she also grows closer to charming, cheerful porter, Charlie Cobbett, and finally finds the happiness she has been searching for.

Auschwitz, 1942: Her entire body trembles as she stands in the infirmary and realises the horrifying truth. She’s a nurse, but instead of saving her fellow inmates, she’s about to be ordered to kill them… Surrounded by thick fog from the nearby forest, Orli stumbles from the cattle truck onto the frostbitten grounds of Auschwitz. Betrayed by her own husband for being a German resistance fighter, she has no one left in the world, and this is now her home.

1942. Evie Sinclair has enlisted in the ATS to serve her country. Her mother disapproves, wanting her to stay and help run the household, but her father supports her bid for independence. Though conditions are austere and the training is intense, Evie is proud to become a qualified gunner girl, part of the team operating the anti-aircraft batteries. When she meets RAF bomber pilot Matt Goodwin at a dance, it's not long before they fall in love. But then tragedy strikes. Matt is killed on a mission, leaving Evie bereft - and expecting a child.

When duty calls, East End girl Minnie Wolton isn’t afraid to do her bit. She’s excited to be joining the ATS girls and although she knows life at the barracks will be tough, she’s not one to quit! She just hopes the other girls are all good sorts. With her husband away fighting, Eileen Ruffel is glad of the break from her unhappy marriage. She just wants to make a success of the ATS girls and maybe find happiness too. Along with the other girls, Minnie and Eileen strike up a firm friendship. The training is hard, but they are determined to prove they are the best new recruits.

1943. Lidia De Angelis has kept a low profile since Mussolini’s laws wrenched her from her childhood sweetheart. But when the Germans occupy Venice, she must flee the city to save her life. Lidia joins the partisans in the Venetian mountains, where she meets David, an English soldier fighting for the same cause. As she grows closer to him, harsh German reprisals and her own ardent patriotic activities threaten to tear them apart.

Juliana Chastain doesn't know anything about her family history. While her mother was alive she remained very secretive about her past. So when Juliana discovers a photograph of a glamorous French actress from World War Two amongst her mother's possessions, she is in shock to find herself looking at her grandmother - especially as she is arm in arm with a Nazi officer.... Desperate for answers, Juliana is determined to trace the journey of her grandmother. Surely there is more to the photograph than meets the eye?