Kate Arden was engaged to be married back then, but the man she loved, Jeffrey Rushbrooke, was called up for active duty in 1943 and later killed on a secret mission in France. An old letter written on army stationery after the war detailing why the mission went wrong found its way to her and tugged at her heart.

Guernsey, 1940. As war storms through Europe, Churchill orders the evacuation of all military personnel from the island. Boats ferry soldiers and vulnerable young children to England, leaving their parents and loved ones behind to face the invading German army on their own. One of the few remaining policemen on the island, Jack must protect not only his friends and family, but also the woman he loves: Johanna, a Jewish nurse from Germany, whose secret faith could prove fatal to them both.

It’s the 1960s, and Jennifer Howells is a young woman with the world at her feet, just on the cusp of leaving her Welsh village for an exciting life in the city. Then the contents of an inconspicuous brown envelope turn Jennifer’s world upside down. But Jennifer’s experience with the excesses of '60s culture leaves her no closer to her true identity. She soon realises she’ll have to travel further - first to Cardiff, then across the ocean to Sicily - if she wants to find out who she really is.... 

In February, 1922, at the western-most entrance to Victoria Station in Manchester, a massive plaque was unveiled. Beneath a vast tiled map showing the lines of the Lancashire and Yorkshire Railway network, a series of seven bronze panels recorded the names of the men of the Lancashire and Yorkshire Railway who gave their lives for King and Country in the Great War - a total of 1,460 names. In March, 1940, a group of women of varying ages and backgrounds stands in front of the memorial, ready to do its bit in this new World War.... 

Virginia, 1933: Lauren Greenwood was born to look pretty and land a rich husband. For her and her high-society family, it’s easy to forget that America is in the devastating grip of the Great Depression, where children run wild in the streets, endless queues for soup kitchens line sidewalks, and desperation hangs in the air. But when a young servant comes to Lauren, pregnant and begging for help, her world crumbles. Someone she loves is responsible, and when she finds out the shocking truth she must decide: Protect the Greenwood name or be cast out? 

Sunny grew in the mother and baby home on Grove Lane, London. The daughter of a wartime nurse and a Polish pilot, she was abandoned by her mother shortly after her birth and taken in by Nan, the warm and gentle proprietor of the home. Never having known her parents, Sunny has always felt like she doesn't quite fit in, but now, at 16 years old, she is ready to find her place in the world. Heading out to start her first job, she finally feels she has some idea of who she wants to be. As 1950s post-war London is changing at a rapid pace, so is Sunny. 

Vicky Parrot wanted more out of life than working all hours in her father’s post office. Her dreams were ruined when tragedy came calling, and now happiness seems impossible. The other townsfolk have their problems too. Sylvia Barker runs the haberdashery shop, and she’s hiding more than a few secrets behind the bales of wool in the shop window. Her daughter, Rosie, wants more out of life than needles and cotton, but her headstrong ways are about to get her into trouble.

As the German Luftwaffe begin a terrifying bombing campaign that will come to be known as the Blitz, thousands are evacuated to safety. But Lizzie Mackenzie finds herself heading toward London. She knows she must help in the war effort. But she has another reason for leaving the security of her Scottish village: the illegitimate child she gave up for adoption nearly five years before is somewhere in the city. And - as the bombs rain down - she will stop at nothing to find her and make sure her little girl is safe. 

Nell Gunn, Snowball and Esther will be back, along with more characters from Britain's biggest beauty factory, as they battle the twists and turns of war in Stratford. Will Nell find lasting love? Will Snowball reveal what forced him onto the streets? And will Esther be able to tame the wild child she takes under her wing as part of her new bursary? As flowers and vegetables blossom in the Shoot's new Dig for Victory allotment, can the inhabitants really bury their pasts?

Europe, 1939. Hanne is an adolescent boy, born into a wealthy family from Belgrade. Realizing the Nazi threat is advancing toward the Balkans with giant strides, his parents are prepared to do anything to save their son’s life. The road to survival, however, is not easy. Just as Europe’s gates are about to shut down, Hanne and 1,100 other youths sail away on the Danube River. On board the ship, under appalling living conditions, Hanne falls in love with Inge, a young German Jewish girl.

The year 1819, Isle of Mull, Scotland: When Allan MacDougall tells his sweetheart, Harriet Campbell, he loves her on the eve of his departure to the New World, it breaks her heart. Because there is no way for her to go with him. She promises to wait for him, even though it could be years before they are reunited. They vow to write, but when crucial letters go astray, they feel further apart than either could have imagined. 

Winnie Berry had been the landlady for the Battersea Tavern for over 25 years and loved every minute of it. Her husband Brian preferred the quiet of the upstairs, but Winnie liked to be in the thick of it: the atmosphere and the company. While her son has taken after his father in more ways than one, she can't help but love him - David might not be able to hold down a job, but she would do anything to keep him safe. After all, once upon a time she'd made a mistake - something she'd do anything to put right.

Jonny has had a bad start in life and has been taken in by a neighbour after the death of his mother. Small for his age, he is prey to a band of local thugs, so he joins the boxing club and learns to defend himself. When a violent altercation ends in tragedy, Jonny runs away and meets a homeless young girl called Cassie, who has been living in an abandoned house - touched by her predicament, Jonny vows to look after her, whatever that takes. Cassie desperately needs love and a safe place to call home, and there are kind hearts who want to help. 

Yorkshire 1944. The end of the war feels tantalisingly close, but Air Transport Auxiliary girls Bobbie, Viv and Mary have plenty more flights in their beloved Spitfires yet - battling everything from snow to enemy fire on their journeys. Risking their lives doing their bit for their country, this Christmas they're determined to have some festive fun. But as they set about bringing good tidings for all, a stern and mysterious new flyer in the form of Peggy arrives. What secret is Peggy hiding?

Christmas should be the happiest time, but at Pennington’s dramas are seething beneath the surface. For Cornelia Culford, a divorce hearing looms where she could lose custody of her sons to her unfaithful husband. For Stephen Gower, being head of security at Pennington's is the perfect refuge from a tragic past at Scotland Yard. But soon Joseph Carter and Elizabeth Pennington beg him to help solve the murder of Joseph's first wife, now that the killer has struck again.