In the dark of night, a chilling sexual spectre is making its way through the house, hovering over the sleeping girl and terrorizing her fragile mother. Are these visions real, or is there something more sinister, and more human, to fear? A spiritualist is summoned to cleanse the place of its terrors, but with her arrival the complexities of motive and desire only multiply. The mother's failing health and the father's many secrets fuel the growing conflicts, while the daughter flirts dangerously with truth and fantasy.