London, 1914. Sick and injured servicemen are returning home and Lizzie Kellaway and her godmother Margaret Penrose are determined to do their bit to help them. With Lizzie's beautiful singing voice and Margaret's talent for the piano, concerts in hospitals and convalescent homes offer the perfect opportunity to lift the spirits of men who have suffered so much. When Polly Meadows's fiancé rejects her and leaves for the war, she doesn't hesitate before travelling to London to be with her childhood friend, Lizzie.

London, 1910. Lily is 10 years old when she realises her grandmother, a washerwoman, is seriously ill. She's determined to do what she can to help and keep her grandmother's illness a secret - even from her beloved twin, Artie. When tragedy strikes and the twins are faced with the prospect of a workhouse or an orphanage, a benefactor offers to take Artie in and educate him. All Artie's needs will be taken care of - but the gentleman has no use for a girl. As the orphan twins grow up and take different paths, their new lives are beyond anything they could have imagined. 

When duty calls, East End girl Minnie Wolton isn’t afraid to do her bit. She’s excited to be joining the ATS girls and although she knows life at the barracks will be tough, she’s not one to quit! She just hopes the other girls are all good sorts. With her husband away fighting, Eileen Ruffel is glad of the break from her unhappy marriage. She just wants to make a success of the ATS girls and maybe find happiness too. Along with the other girls, Minnie and Eileen strike up a firm friendship. The training is hard, but they are determined to prove they are the best new recruits.

As war rages, Barbara Sinclair is desperate to escape her unhappy home life. And with the threat of German bombs ever present, Barbara reluctantly agrees to marry John, her childhood friend, who is leaving to join the RAF. But an encounter with Alex Everton, a dashing Spitfire pilot, complicates matters for Barbara. With emotions running high, she begins to question whether she has made a terrible mistake. With the constant threat of death all around her, Barbara must try to find a way to deal with the complexities of her difficult home life and her emotional relationships, too.

1920's London. Dismissed without references when their employer's valuable necklace goes missing, friends Ruth, Lydia, Jenny and Grace try to rebuild their lives far from home in London. A surprise financial inheritance and gift of a beautiful silver Rolls Royce leads them to set up in business as female chauffeurs, and the Silver Ladies of London is born. But driving is a man's world, and the girls face a future fraught with constant challenges.