A highly anticipated cultural festival is less than a week away for the students of a local high school when mysterious, seemingly paranormal events start occurring within their building. A piano plays when no one is in the room; the power continually shuts off, seemingly at random; footprints are left behind by an unseen presence; objects appear to levitate and are hurled across the room. Concerned about the strange phenomena, six students, advised by Professor Yamakawa, form a research team and investigate the strange goings-on. One of the students is Reiko Kudo, who has ESP and a family history with the occult. As the investigation ensues, a disturbing story from the past emerges from the woodwork, culminating with an ESP confrontation on the day of the festival...

Years after moving to Tokyo with her parents, Hinako returns to her hometown in rural Shikoku. She soon learns that her childhood friend, Sayori, died several years ago and that Sayori's mother, who used to perform seances and exorcisms, has gone almost insane with grief. After seeing Sayori's ghost several times during the night, Hinako consults with some local experts on the paranormal and discovers that Sayori's mother has something planned for her daughter...