Charlotte Sloane has amnesia. In an ordinary world, this would not be a problem, but in her Victorian life as a doctor, things start to get a little strange when she finds that someone has poisoned her. With her only friend--Matthew Sterling--at her side, Charlotte finds that her world as she thought she knew it, was no longer safe. She must flee her home in London, trust the only person she thinks she knows well, and quickly begin to unravel the mysteries of her past before her unseen enemies catch up with her. By train, by ship, by elephant and by zeppelin, Doctor Sloane finds herself transported to the Middle East, where new and surmounting dangers await.