New England, The 1890s

When a young doctor begins work at an isolated mental asylum, he is expected to fall in with the shocking regime for treating the patients. He is soon intrigued by one patient, a strange amnesiac girl who is fascinated by books but cannot read. He embarks upon a desperate experiment to save her but when his own dark past begins to catch up with him, he realises it is she who is his only hope of escape.

In this chilling literary thriller from a master storyteller, everyone has something to hide and no one is what they seem.