Katsura Aya (Shiratori Yasuyo), a young and popular actress, is kidnapped. Igarashi (Honda Hirotaro), the president of the production company, calls Totsukawa (Mihashi Tatsuya) and Kamei (Aikawa Kinya) of the police. Totsukawa and Kamei learn that the kidnapper's name is Aoi Hebi (Blue Snake) and that Aoi Hebi is asking for one million yen for ransom.