Discover the extraordinary lives of the inspiring girls who have lived throughout history at 6 Chelsea Walk. Mary Ann's greatest wish is to become an opera singer, and she's thrilled when the famous child prodigy Mozart comes to perform in Chelsea.

But in a sudden twist of fate, Mary Ann must leave her Boarding School for Young Ladies, and her singing dreams are shattered.

Distraught, she comes up with a plan to stay at school, oblivious to the danger it will put her in... An enchanting story of dreams and determination, set in the enthralling world of eighteenth century London.