We all have secrets. We all have small truths about ourselves that we want to keep hidden. But Sophie has a bigger secret than most. She has a secret that would blow her family apart. She has a secret that can never be told. But all secrets have a way of coming out. When Sophie discovers that her best friend, Louisa, is going to leave her, she realizes that her secret, the one that she's been guarding so carefully, might be the only thing that can stop Louisa from going. Can Sophie reveal her secret and, if she does, will it really stop her best friend from leaving?