Kotaro Terauchi makes a documentary about film director Yoshihiro Nakamura, a man said to have been the maker of Japan's very first paranormal documentary film.

Terauchi has a lead that a collector of horror-themed novelty items in Hiroshima has part of the film, The Unknown Paranormal World. He and his assistant, Nao Suzumoto, head to Hiroshima.

Paranormal film director Yohei Fukuda, while investigating The Unknown Paranormal World with fellow filmmaker Ryoma Masumoto, spots an unfamiliar figure in a video they filmed.

A lead from Nico Nama TV allows Kotaro Terauchi and Nao Suzumoto to contact the sister of Tatsuo Ibakari, the film director of The Unknown Paranormal World.

Soichiro Koga, Emi Sugimoto and Takahiro Kamizono manage to find Japan's very first paranormal documentary video at a second-hand rental store.

Soichiro Koga and Emi Sugimoto head to Osaka in an attempt to contact Shinkichi Umezawa, a former CEO of Berry Magnum and current owner of deceased Tatsuo Ibaraki's home.