金田一耕助ファイルⅡ 獄門島

The members of this elite investigative team are unique individuals with their own personal troubles, but what unites them is their strong sense of justice. They each channel all their energy and skill to solve the most difficult cases.

Denshichi of Kuromon-cho hates crime and hates people. He is a stylish and kind Okakitori. Denchichi is a chivalrous and gentle okabiki, and he will not tolerate bad people under the ten purple hands of Murasakibusa, entrusted to him by the magistrate of Toyama. Denchichi is sent by Koi Nyobo's fire to destroy the evils of Edo.

The female ninja butterfly was the daughter of a large store five years ago. The butterfly is in love with the Ronin Kurokawa Gennoshin, and one night he abandons everything and leaves the house to be with him, but he…

The #9 investigation team has been disbanded and members of the #9 investigation team have been scattered around. One year later, the Chief of the National Police Agency, Sojiro Kandagawa, orders the creation of a special investigation team to cover from the initial investigation until it is sent to the prosecutor's office. Sojiro Kandagawa appoints Sakutaro Munakata as the leader of the special investigation team. Former #9 investigation team members join the special investigation team.

Yoshinari Bessho, the feudal lord of Tanba Province, is a collector of butterflies and has his concubines tattooed with butterflies as well. One day while hunting, Yoshinari sees Gennosuke Akizuki's beautiful wife, Okoto. He kidnaps her, tattoos a butterfly on her shoulder and takes her for his own. Feeling shame for what has happened, Okoto throws herself into a well and commits suicide. She then returns as a ruthless ghost that seeks revenge against Yoshinari and his retainers. Whenever the ghost appears, mysterious butterflies always fly around her...

A jewelry broker is killed and a large amount of money is stolen. A female detective from the Metropolitan Police Department transforms into a geisha to catch the criminal.

One day, Hikojiro goes to visit Sayo Kujo, an old lady who has been hospitalized. Sayo has been told that she has a year to live by assistant professor Natsuhiko Moriwaki, and insists on returning to the house she was born and raised in. It so happens that Hikojiro will be the one to treat her at home from now on. At the university hospital, Hikojiro runs into a familiar face - Hazuki, the daughter of Tetsuji Tonoyama, the man who taught Hikojiro how to make takoyaki. Hazuki is now a nurse at the university hospital and Hikojiro is surprised to see a strange poster on the hospital bulletin board that implies she's having an affair with Moriwaki. The hospital is currently preparing to elect a new chief surgeon, and the candidates are assistant professors Moriwaki and Shinsuke Noguchi, heads of the first and second surgical department. Both of their factions have been publishing defamatory statements about each other.

An assignment is issued to a lady sniper to destroy the mafia. The second-in-command of the Akita-kai, a yakuza group based in the Kanto region, is stabbed to death by a hitman from the Kansai-based San'yu-kai, which is aiming to expand into Kanto. Around the same time, Komoro Hisashi, the Akita-kai's action squad leader, is warmly welcomed back by the Akita-kai chairman, who has just returned to freedom after 14 years. However, concerned about the San'yu-kai's movements, he advises him to lie low for a while. Meanwhile, Shinjo, who was a young member 14 years ago, has risen through the ranks to the point of having his own gang. Amidst all this, Komoro meets and falls in love with a nurse named Akie...

One day, Hikojiro receives an emergency call from inn proprietress Shino Ogawa to examine Tadahiko Mori, a guest complaining of stomach pain. Mori, who owns an art gallery in Tokyo, has come to Kyoto on a trip with his only daughter, high school student Nanami. Hikojiro gives him his business card, telling him to contact him if the pain comes back. However, the next day, Mori is found dead...!

During the Tokugawa Shogunate, a band of smugglers use a tavern on an isolated island in Edo's Fukagawa district as their base of operations. After the unexpected arrival of an injured man with a troubled past, the men find themselves in a life-or-death situation.