London, 1865. Snow is falling fast, and Sally Suggs is working tirelessly to bring in enough money to keep bread on the table. Her father, a skilled rag-and-bone man, has fallen ill - and now Sally has taken up his trade. But this is a man's world, where competition is fierce, and Sally's rival Finn Kelly always seems to be one step ahead. With no-one to protect the Suggs family, the black-market traders of London's underbelly circle closer. Sally needs to find help in the most unexpected places if they are to survive...