Carrying the burden of a terrifying poltergeist phenomenon, Mariko Sugiura returns to Japan after 14 years and meets her older brother, Ryuichi Takagi. She learns about the incident involving her father, Masahiko Takagi, which is believed to be the cause of the poltergeist activity. As she contemplates her father's tragic fate, a storm of poltergeist activity rages around Mariko. Investigations by the university's paranormal research lab reveal that the poltergeist phenomenon is causing severe damage to Mariko's body. Mariko faces the terrifying prospect of personality destruction and death.