A salaryman sees a murder in the subways and is soon pursued by the killer, who wants him to join a group called The Engineers, who have taken it upon themselves to reduce Japan's overpopulation. Despite not wanting any part of joining, the man begins to mutate, running throughout Japan and fighting his urge to kill.
Kisei Ishizuka
Jun Sasaki
Chikako Tone
Tomoko Haseyama
Ikuko Uemura
Shinji Kida
Kensuke Suzuki
Satoru Ôtani
Osamu Mizukami
Akira Ishida
Akira Kobayashi
Sachiko Kitahara
Eriko Ishida
Akio Kenmochi
Akiko Kenmochi