An ex-mercenary is forced out of isolation when three mysterious men kidnap and brainwash the city's children afflicted with the Geostigma disease.

Sachiko Suzuki (Naoho Ichihashi) is a female high school student. She claims that she is an alien and her mission on Earth is to conceive a child with a human man. Sachicko seduces her class teacher Mr. Fukuda (Yukichi Kobayashi)..