Four very different young women form a unique bond as they are thrown together by war. When Olive is forced to seek lodgers three girls come knocking at her door. Sally has left Liverpool to work as a nurse in London and when she arrives she is a shell of her former self, plagued by homesickness and betrayal. Working at Selfridges, Dulcie is living the high life but at home in Stepney she is the black sheep. Agnes grew up in an orphanage, but with the orphanage relocating to the country, she must seek out a job and lodgings ... As the women prepare for war, their futures hang in the balance