As WWII rolls across Europe, Kitty boards a ship set for England. Money is what she really needs right now, especially with tiny baby Billy back in Dublin. In Lancashire, Kitty settles into the hard work and soon makes new friends, playing in the Bomb Girls Swing Band by night. Life seems to be looking up. But when a letter arrives from home, she realises she might need her friends’ help before it's too late and she loses her baby forever....

The festive season is approaching, and the Bomb Girls are determined to make this a year to remember. With Myrtle's health in decline, Edna's love life beginning to take flight and a shy new arrival in their midst, life is never quiet in Pendle. But Gladys, back from performing for the troops, is sullen and sad, and her friends are sure she is hiding something.

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.

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....

Mary Vale, a grand and imposing Mother and Baby Home, sits on the remote Fylde coast in Lancashire. Its doors are open to unmarried women who come to hide their condition and find sanctuary. Women from all walks of life pass through Mary Vale, from beautiful waitress Emily, whose boyfriend has vanished without trace, to young Isla, cast out by her wealthy family after her first year at university goes horribly wrong. Awaiting them is Nurse Ada and Sister Anne who work tirelessly to aid the mothers and safely deliver the babies. 

During World War Two, Churchill declared that 'beauty was duty'. But for the women working at the Yardley cosmetics factory in London's East End, it's friendship and family. Nineteen-year-old Lily Gunn runs the conveyor belt in the factory's Lipstick Room with tight reins, though of all the women working there it's her 16-year-old sister who gives her the most trouble. Especially when Rene's new boyfriend Ronnie gets called up to fight, leaving Rene alone and with a big problem.... 

Lavender Road boasts a pawnbroker, a pub, two rows of terraced working class homes and, at one end, the big house owned by the local brewer. When war breaks out, the lives and fortunes of the families who live in Lavender Road are changed out of all recognition. For Joyce, it means a struggle to keep food on the family table; for Jen it may mean the end of her dream to become an actress; and for Pam, there is the sickening seesaw of emotions as she fights attraction to her handsome lodger and a growing distance from a husband who is judged not fit to enlist.

Two very different girls from this tight-knit community join up as ARP Wardens to do their bit for the home front. Violet Simms lives with her controlling, widowed mother who runs the local pawn shop. At just 20-years-old, Violet longs for friendship, love and escape. It seems her dreams might come true until tragedy strikes on one of the very worst nights of the Birmingham Blitz. Grace Templeton is the eldest in her family of 10 children. Spirited Grace is determined never to become burdened by child bearing and drudgery like her mother. 

Sunderland, 1940, and the women go to the shipyards to do their bit for the war effort. Polly never dreamed she would be able to work in the shipyards like the men in her family but times are tough and her new job ends up giving her more than she ever expected when she meets enigmatic dock diver Tommy Watts. During the day, head welder Rosie teaches her fledgling flock of trainees their new trade, but at night she hides a secret life. And mother hen Gloria signs up to escape her brutal husband, but finds she cannot run....

1940, Liverpool: Alice Turner and her best friend, Millie Markham, work for the war effort at Rootes munitions factory, making shell caps and Halifax bombers. Alice’s sweetheart, Terry, is home from the front for a brief period of leave. But the honeymoon is soon over. Terry must go back to the dangers of Nazi-occupied France, and the ever-present air raid sirens quickly bring Alice back down to earth. 

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 is early 1940, and World War Two has already taken a hold on the country. Rose Neville works as a Lyon’s Teashop Nippy on the Kent coast alongside her childhood friends, the ambitious Lily and Katie, whose fiancé is about to be posted overseas in the navy. As war creates havoc in Europe, Rose relies on the close friendship of her friends and her family. When Capt. Benjamin Hargreaves enters the teashop one day, Rose is immediately drawn to him. 

When sixteen-year-old Sally is evacuated to the English south coast, she is terrified by what lies ahead of her. All she knows are the sights and sounds of London's East End – but Sally swallows her tears as they leave the familiar landmarks behind, knowing that she has to be a Grown-Up Girl and play mother to her six-year-old brother Ernie. Playing mother is nothing new for Sally – their real mother Florrie, a good-time girl, hasn't even come to the station to wave them off and Ernie, crippled at an early age by polio, is used to depending on his older sister.

Best friends Sarah, Maisie and Freda are brought together by their jobs at Woolworths. With their loved ones away on the front line, their bonds of friendship strengthen each day. Betty Billington is the manager at Woolworths and a rock for the girls, having given up on love...until a mysterious stranger turns up one day - could he reignite a spark in Betty?

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.