London 1950. Peggy Ronoscki is happily settling into life running her guesthouse on Mulberry Lane, surrounded by close friends and family. Life just seems too good...but then disaster strikes. Pip, her beloved son, is left in a coma following a devastating car crash, and a young girl collapses in the market, leaving Peggy no option but to nurse her back to health. As things begin to go awry, Peggy worries she has brought trouble to her doorstep Can her life ever return to normal? Or has Peggy’s good nature led her astray?

The war is drawing to a close, but the munitions girls are still hard at work in the factory. Gladys, who's been promoted to overseer, has been feeling lonely lately. Her daughter has moved away, and a lot of her friends have left Gosport, too. Then an act of kindness towards Goldie, a homeless teenager, provides Gladys with a new friend and lodger.

In love and war, who can you trust? Hampshire, 1944. Her face still bearing the scars from the explosion at the factory, Rita Brown is nonetheless back on her feet. She's caught the eye of local wide boy Blackie Bristow, who's sweeping her around the country in a life of shady glamour. But there's a war on, and life is not all fun and games. Some of the local men are taking advantage of the topsy-turvy world to break more than just hearts, and standing up to them comes with its own costs.

1943, Hampshire. Pixie Saunders is 19 and employed in the local armaments factory. Not for the first time, her mother has run off with a dodgy-looking bloke, leaving Pixie to pay the rent and fend for herself. Pixie, along with her best friend, Rita; Em, the factory overseer; and the rest of the girls are making the most of the war while trying to stay alive. The work is dangerous and the hours long, but in the evenings they take off their overalls and go to the pub or, better still, go dancing.

Sunderland, 1941. As the world war continues the shipyard girls face hardships at home, but work and friendship give them strength to carry on. Gloria is smitten with her newly arrived bundle of joy, but baby Hope’s first weeks are bittersweet. Hope's father is missing at sea, and with their future as a family so uncertain, Gloria must lean on her girls for support. Meanwhile, head welder Rosie has turned her back on love to keep her double life secret. But her persistent beau is determined to find out the truth, and if he does, it could ruin her.