A man’s body is found in the suburbs of Tokyo. The dead man was hit by a car and his head beaten by the reckless driver after the accident. The dead man had a wife named Noriko. She likes fancy things and she has a lover named Tsukada. It's also learned that the dead man was insured for 300 million yen. The media and the public look at Noriko and her boyfriend Tsukada with suspicion, but they have perfect alibis. Then, Detective Hibiki, who is in charge of the case, and Private Detective Kono become involved in a series of mysterious murder cases.

Kyōzō Nagatsuka
as Takeshi Hibiki

Mayumi Asaka
as Mitsuko Hibiki

Ken Kaneko
as

Ken Maeda
as Ryuichi Morimoto

Misa Uehara
as Sachie Mitsuda

Yûko Itô
as Noriko Morimoto

Kunihiko Ida
as Coroner

Shion Machida
as Michiko Kasai

Kazuki Koshimizu
as Masaki Komiya

Shosuke Tanihara
as Kazuhiko Tsukada