When a group of environmental activists camping in the remote English wilderness are stalked by a deranged psychopath, one of the activists manages to escape and the killer is shot. The following day police investigating the crime scene discover the dying man and his reign of terror comes to an end.
15 years later, best selling thriller-novelist and newly-wed Susan (CHARISMA CARPENTER) relocates from California with her husband David (PAUL SCULFOR) to his native England in a picturesque manor house secluded deep within the same countryside. The perfect location for a fresh start after her recent mental collapse, Susan hopes the change in scenery will allow her to complete her long awaited new book. However the tranquility of the setting soon takes a nightmarish turn when Susan begins seeing and hearing strangers around their home.
After one incident leaves her so shaken that the police are called in to investigate, David asks the property’s groundskeeper Peck (RICCI HARNETT) to look after his wife while he is away on business in London. Alone in the house with the rough-hewn groundskeeper, Susan soon discovers that Peck has a suspicious connection to the area and the murders that happened there years before.
As the pressure builds to complete her novel and the disturbances progress into horrifying recurring visions of the massacre, reality and delusion converge into one as Susan is pushed to the brink of madness.
Desperate to convince her husband that what she is experiencing is not another mental breakdown, Susan races to unravel the mystery surrounding the house and discover who or what is behind the vivid nightmare she is living.