Lake District, 1942: the women at Mary Vale Mother and Baby Home must pull together during their darkest hour. But this is not easy when three very different women walk through its doors. Sybil would rather be anywhere else. She hoped to spend the season in London, but an unexpected pregnancy soon put paid to those plans. While poor Rosie arrives with her two children in tow - their lives torn apart after their house was bombed. And when new midwife Edith joins, it's clear she has her own secrets to hide.

The life of a Bomb Girl isn't usually glamourous. But Maggie is getting married, so she is going to make sure her wedding day is - even if she does have to spend every other day slaving on the factory floor. This blasted factory was not what Julia had in mind either. She had always dreamed of attending Oxford University rather than getting her hands dirty, and the easy laughter of the other women intimidates her terribly. But they are all here together in this munitions factory in a Lancashire mill town, sharing firsts, pitching in and getting on. These Bomb Girls are going to do their best at work and in love.

Alice Lake has arrived in London from Liverpool to start her training as a District Nurse, but her journey has been far from easy. Her parents think that she should settle down and get married, but she has already had her heart broken once and isn’t about to make the same mistake again. Alice and her best friend, Edith, are based in the East End, but before they’ve even got their smart new uniforms on, war breaks out, and Hitler’s bombs are raining down on London.

It's 1941 and Britain is at war. For the aristocratic Walsingham family this means their grand home being taken over by the armed forces. But for newcomers Ava, Maudie and Bella, this is a chance for something more. Each is ready to do their part for the war effort and soon become firm friends. But Lord Edward Walsingham seems like he is hiding something. And although he may be clever, he might have met his match in Maudie and the girls....

Bridget Milligan has donned a uniform and joined the nursing services where she becomes intrigued with the miracles of modern medicine. She’s also torn between family loyalty, her new career and Lyndon O’Neill, the love of her life. Is it too impossible to hope that everything will come out right in the end? Phyllis Harvey is still serving in Malta where she sees the casualties of war first hand. Finally it seems like Phyllis is blessed with true in love, but fate can sometimes be a rocky road and nothing is that certain.

Maureen Jackson is a prisoner of her father's blackmail. Three years ago, she'd been hoping to marry Rory, the man of her dreams. However, after her mother's death, Maureen was left to care for her overbearing father. Now Rory is back in London with his pregnant wife and reminds Maureen of the life that should have been hers. With the war looming, Janet Ashley hopes to marry her sweetheart Mike, but her father refuses to grant them his blessing. Janet finds herself pregnant and her mother Peggy is determined to hold her family together.

When Sally, Beth, Margaret and Rachel meet at a job interview for the wonderful new store in Oxford Street, they have no idea they will become lifelong friends. When all four girls are lucky enough to be selected as sales staff their exciting new adventure begins. Join them as they overcome heartbreak and grief, find love and happiness and remain united in their friendship, whatever life throws at them.

It is 1939, and working-class Evie Bishop has received a scholarship to study mathematics at Oxford when tragedy turns her life upside down. Evie must seek a new future for herself and, inspired to contribute to the war effort, joins the Women’s Auxiliary Air Force as an Ops Room plotter. Posted to a fighter station on the Sussex Coast, Evie befriends two other WAAFs. But the German bombers seem to know more than they should about the base’s operations, and soon Evie, May and Jess are caught up in a world more dangerous than they ever imagined. 

London, 1938: Lizzie Larch is a 20-year-old hat maker in London's east end. She is happy and popular, but she carries a secret. Seven years ago she was viciously attacked and recovered in a private sanatorium where she miscarried a child. Lizzie has no memory of the night of the attack, but secrets cannot stay secret for too long. When she starts courting her boss' nephew, a shocking revelation surfaces; threatening to destroy their new-found happiness.

The Sweet family have run the local bakery for as long as anyone can remember. Twins Ruby and Mary Sweet help their widowed father out when they can. Mary loves baking and has no intention of leaving their small Gloucestershire village while Ruby dreams of life in London. But as war threatens, there will be changes for all of the Sweet family, with brother Charlie off to serve and cousin Frances facing evacuation. But there will be opportunities, too, as the twins' baking talent catches the attention of the Ministry of Food.

London, 1940. After her fiancé breaks off their engagement, Evelyn decides to do her part for the war effort by signing up for construction work on Waterloo Bridge. Grieving after her little boy dies in an air raid, Gwen is completely lost when her husband sends their younger children to the countryside for safety. Enlisting as a construction worker, she is partnered with cheerful Evelyn. The two women strike up a heartwarming friendship. 

May, 1941. Meet the Air Raid Girls: three young women keen to do their bit during the Yorkshire blitz. Connie's life has taken an unexpected turn since her husband died - she's living at home and working in the family bakery - but night shifts as an ARP warden give her a firm sense of purpose. Her younger sister, Lizzie, is eager to play her part, too, perhaps as an ambulance driver. Twenty-year-old Pamela has led a sheltered life, but when her family's home is destroyed in a raid, she must learn to stand on her own two feet - helped by new friends. 

Devon, 1918. When Jessie Hale loses her nursing job, she leaves London to become the nurse maid to the Kendle family. On arrival she finds the family in disarray. When their elderly Nanny suffers a bad fall, Jessie has to try to bring the household together. Gradually, Jessie finds her place in their lives. Jessie soon starts to love her life at Kendlebury Hall, but problems arise when her feelings for her employer start to change.... 

Liverpool, 1939. Bella Rogers thought her life was just starting; she can’t wait to get married to her childhood sweetheart, Bobby. But when war is declared and Bobby is called up, his letters stop, leaving Bella heartbroken and alone. Then her family is torn apart by tragedy when her angelic 5-year-old sister dies from a terrible illness. They can barely afford a funeral, but the church is packed with the entire community, devastated for their loss. Grieving for her sister and lost love, Bella finds a job at the Bryant and May factory, making matches.

Cambridgeshire - March 1939. As the clouds of war begin to gather in Europe, the Talbot family of rural Blackberry Farm will be torn apart, just as so many families all over the world will be. Life will never be the same again. Whilst in London, the Salmons family will feel the pain of parting and loss. Brought together by war, the two families become intertwined and, as the outlook looks bleak, they must draw on each other’s strength to fight through the hard times.