Hoping for a happy change, childless spouses decide to move from bustling London to a secluded lakeside estate. Impressionable Charlie, who attends hypnosis sessions, seems to have been to the house before. Maybe it was in a past life? But buying a house does not bring happiness. Before Charlie and her husband Tom cross the threshold, incredible, supernatural, ominous events begin to occur. The images Charlie sees during hypnosis break into the present. Visions, smells, sensations haunt her at every turn. She understands that this is not a game of the subconscious, and her guess is confirmed by a mysterious find in the shape of a heart, found as if at someone's prompting. In this idyllic estate, it is as if an unknown evil lives: someone hates Charlie and longs for revenge...