With no known identity or family, Ruby is the most violently disturbed patient ever admitted to Drummersgate Asylum, high on the bleak moors of northern England. After two years with no improvement, Dr Jack McGowan eventually decides to hypnotise her. With terrifying consequences. A horrific dark force is now unleashed on the entire medical team, as each in turn attempts to unlock Ruby's shocking and sinister past. Who is this girl? And how did she manage to survive such unimaginable evil? Set in a desolate mining village, where secrets are tightly kept and intruders hounded out, their questions soon lead to a haunted mill, the heart of darkness...and the Father of Lies. Sleep tight.