The Hercules 4th planet is on the verge of death due to a strange disease that affects only men. The existence of organisms with similar genes was needed for making therapeutic drugs. At the end of a long journey in space, they finally arrive on earth. Residents of an apartment start to disappear one after another on that day. And suddenly, a mysterious young man named Suzuki appears.

Takafumi Kumagai
as Daichi / Number 8668

Kyôsuke Sasaki
as Kenta, office worker

Masaki Tsukamoto
as Suzuki, the alien

Akira Yokozuka
as Seiichi, a military enthusiast

Kazu Itsuki
as Tsuyoshi, a masturbator

Syoko Kudo
as Kumiko, a prostitute

Teruo Oka
as ENK newscaster