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. 

Alice is nursing an injured hand and a broken heart when she moves to the village of Churchwood at the start of WWII. She is desperate to be independent but worries that her injuries will make that impossible. Kate lives with her family on Brimbles Farm, where her father and brothers treat her no better than a servant. With no mother or sisters, and shunned by the locals, Kate longs for a friend of her own. Naomi is looked up to for owning the best house in the village. But privately, she carries the hurts of childlessness.

Victoria is looking for a life away from the dangers of wartime London for herself and two orphaned children. Her search takes her to Churchwood in Hertfordshire which looks ideal, but the village residents are already dealing with their own problems . . .With so much trouble and uncertainty in the village, can Victoria and her little family find the safe haven they crave?

Ellen O'Casey, an Irish Catholic immigrant, is struggling to support her ailing mother, her teenage daughter and herself. Washing other people's laundry in the day, and singing in bawdy pubs at night, Ellen is determined to make a better life for her family by saving enough for the passage to New York where the rest of her extended family have already emigrated. But Danny Donovan, a local gangster and the landlord of the pubs where Ellen sings, intends to make her his mistress.