Hannah Miller is a young girl who has had to grow up fast. Since the death of her parents she has taken responsibility for her sister Alice, determined to provide her with the love and stability they've both been denied. But when a violent incident with their bullying guardian finds the girls cold and hungry on the teeming streets of East London, Hannah realises she is out of her depth. She has little option but to accept the help of the strange old woman Maudie whose ramshackle home at the end