The director of a large Tokyo trading company is kidnapped and held for ransom. A young but experienced detective is put on the case while being at the centre of a nationwide television sensation.

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...

After killing his brother, Prince Yamato is banished from his father's kingdom until he can bring his dangerous powers under control. On his journey, he meets and joins with the magical priestess Oto, and together they go to fight against an evil god that has been ravaging the Earth in the form of an enormous hydra. Will Yamato ever return home to reclaim his rightful place on the throne?