During the late 1800's, a great plague swept across London. Survived only by the upper class, protected by a walled community from the horrors that lie beyond. A difficult decision lies with Dr Edward Hays, a brilliant surgeon, with a dark secret, whos greatest fear is the lands beyond the wall. Detective Eleanor Gray, daughter of the well renowned Lord Bertram Gray, keeps to the shadows to unearth the truth surrounding the odd occurrences within the capital.