An illegal biological weapon K-55 is stolen from a university lab. The university lab can't even call the police because the secret nature of the weapon. The school lab then receives a message stating that the entire country is now being held hostage and they must pay a ransom of 300 million yen.

Hiroshi Abe
as Kazuyuki Kuribayashi

Tadayoshi Okura
as Shohei Nezu

Yuko Oshima
as Chiaki Seri

Tsuyoshi Muro
as Haruo Wada

Keiko Horiuchi
as Manami Origuchi

Shigeyuki Totsugi
as Katsuya Kuzuhara

Tatsuomi Hamada
as Hideto Kuribayashi

Jun Shison
as Seiya Takano

Toru Nomaguchi
as receptionist

Yumi Aso
as Yumiko Takano