Samonji, a reporter, receives a message on his answering machine from his friend Takada that says "stop it... zero plan! February." Learning that Takada is dead, Samonji begins an investigation. He and his younger sister Fumiko investigate major events happening in February but cannot find anything relevant. Meanwhile, Kanzaki, a doctor who works at a clinic on a remote island, is working on a plan to extort two billion yen.
Samonji
Fumiko Samonji
Inspector Yabe
Jiro Taketani
Hiramatsu
Shintaro Kato
Arai
Kyoko Owada
Minister of Justice
Chizuko Mori
Takeda
Yusuke Takada
Owada
Nobuyoshi Mita
Shinobu Mizuhara
Kanzaki