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?

In 1940s London, each cobbled street is strewn with ghosts of soldiers past. And for the women, their battles are on the home front. Flossy is embraced by the colourful mix of characters working at Trout's, who have turned their sewing expertise to war work. Dolly Doolaney, darling of the East End, helps Flossy settle into wartime life. All of the sewing bees play their part in defending the front line, but as the Blitz hits London, can Dolly manage to contain the secret that binds them all?

1942. Sixteen-year-old Poppy Percival turns up at Trout's clothing factory to start work as a seamstress. Poppy harbours a secret - one from which she is still suffering. But she's not the only one with a secret. Each of her new friends at the factory is hiding something painful. The war will throw their lives into turmoil but also bring these women closer to each other than they could ever have imagined.

Annie, Rose, Pearl and Millie carry on making matches for the British Army, with bombs raining down around them. Inspired by the Dig for Victory campaign, Annie persuades the owners to start Bryant & May allotment in the factory grounds. With plenty of sweat and toil, the girls eventually carve out a corner of the yard into a green plot full of life and colour. In the darkest of times, the girls find their allotment a tranquil, happy escape. 

The East End streets are grimy and brutal, but in one corner of Bethnal Green it's forever Hollywood. Stella and Winnie work in Herbie's studio; their best friend, Kitty, works next door as an apprentice dressmaker. All life passes through the studio, wishing to capture that perfect moment in time. As clouds of war brew on the horizon, danger looms over the East End. Will the wedding girls find their happy ever after?

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.... 

August 1941: As war sweeps across Britain and millions of men enlist, women must fight the battle on the home front. Fran always thought she would marry her childhood sweetheart and live in Massingham, the beloved pit village she has always called home. But the opening of a munitions factory in the north-east of England presents a new opportunity. Against her father's wishes and with best friends Sarah and Beth by her side, Fran signs up to join the ranks of women at the factory. It's dangerous work, but the friends discover that their lives are only just beginning. 

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....

Lily and Vincent have been dancing everything from the waltz to the foxtrot together since they were six years old. Now a teenager, Lily realises she has feelings for Vincent that she never knew were there. However, with Vincent off to war, Lily is evacuated to a mother and baby home with her younger siblings. It is there that she finds she has more in common with the fallen women than she once thought. But as the bombs begin to fall in Liverpool, will she ever see her sweetheart again?

Bristol, 1939. School leaver Maisie Miles suspects her father, a small-time crook, has an ulterior motive for insisting she gets a job at the W. D. & H. O. Wills tobacco factory but keeps it to herself. She's befriended by effervescent Phyllis Mason and kind-hearted Bridget Milligan who take pity on her and take Maisie under their wing. But beneath their happy-go-lucky exteriors, they all harbour dreams and worries about what the future holds. 

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.

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....

It's 1939, and the Brogan family of London's East End are ready to show Hitler what for. But things don't seem so rosy when rationing, evacuation and air raids start to put this larger-than-life family to the test. When a mysterious young man arrives at the Brogans' local parish church, he provides just the dazzling distraction they need - and, for eldest daughter Mattie, the promise of more than she'd ever wished for. But as the pair fall deeper in love, they are drawn into secret dangers, rife on the very London streets they call home.

As London goes up in flames during the Blitz, two sisters from Bermondsey find their lives changed out of all recognition.... When a bombing raid destroys nearly everything she holds dear, May joins the ATS and becomes a gunner girl. Peggy, May's elder sister, is trapped in a stifling marriage, yet amid the chaos of war, a route to freedom beckons. From war will come hardship and tragedy as well as new, unexpected friendships and love affairs.

Handsome Frank Rossi took Matty Gilbie away from her working class roots in East London, promising her fame and fortune. As his wife, she would be half of a power couple. But the Wall Street Crash puts paid to all that, and as Frank becomes more violent, Matty flees in the dead of night. Once home in Bermondsey, she goes into hiding, but Frank is on the move, determined to find her and get her back.