Dr. Hattori and her husband watch footage of brain surgery experiments with Manchurian, Russian and Japanese guinea pigs that had been found in the basement of a wrecked hospital. Out of the blue, there is a white light and when they look back, they see they children Ota Miyuki and Kaori staring at the light. Years later, Miyuki vanishes from the Tama Medical University Hospital and her sister Kaori, Miyuki's boyfriend Motojima and detective Hirasawa are seeking her. However, Miyuki and the teenagers Kazochi, Takumi, Hattori and Rieko have been submitted to a nightmarish experiment by Dr. Hattori and her team with tragic results.

A men gets depressed because his girlfriend has dumped him for a friend. He tries to attempt suicide but to no avail, so he decides to scare the guy that stole his girl, by throwing his own guts at him.