Unaware that evil spirits have taken over her invalid aunt's isolated country house, Oshare (Kimiko Ikegami) and six schoolgirl friends arrive for a visit -- only to face a slew of preposterously freaky events in Nobuhiko Obayashi's 1977 psychedelic nightmare. As the girls begin vanishing one by one, the survivors encounter ravenous furniture, homicidal firewood, a possessed piano and other absurd and violent entities.