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.