Elle-Anne is a beautiful and passionate young woman who indulges her passion for sex by working as a high class prostitute. Her life is thrown into disarray following a series of increasingly disturbing nightmares. She visits a psychotherapist in an effort to try and understand. This leads her on a dark and twisting journey towards a shocking truth.

High in the peak stands the Blue Moon Inn, the home of Matthew Hopkins for as long as anybody cares to remember. Here is the place where once every century the moon appears to turn blue and all-manner of strange and terrifying events are said to be unleashed upon the land. The time has come and with it a small group of interested individuals. An astronomer, an astrologer and a documentary filmmaker all arrive unaware of the evils that will befall them. A nightmare unfolds upon each one until the final shocking conclusion.