Tsuyoshi Matsuoka, a doctor at a Tokyo hospital, misdiagnoses a patient's disease as a common cold. But after the patient's sudden death, he realizes that it's very serious disease, which can make a population extinct, so he struggles to find out the cause of the disease with doctor Eiko Kobayashi.
|Satoshi Tsumabuki||Rei Dan||Ryoko Kuninaka||Yuji Tanaka||Chizuru Ikewaki|
|Tsuyoshi Matsuoka||Eiko Kobayashi||Takako Mita||Eisuke Mita||Mami Manabe|
|Takanori Takeyama||Koichi Sato||Tatsuya Fuji||Akio Kaneda||Ken Mitsuishi|
|Kosuke Suzuki||Kazuo Ando||Minoru Nishi||Ryozo Takayama||Shosuke Kamimura|
Additional Cast Members: