A temple in Tokyo. Three men were holding a secret meeting there. Suddenly, there appeared a dark, shadowy man wearing a Okina mask, and by using a Japanese sword and Bow, murdered the three men instantly. At the same time as this incident, Osaka and Kyoto also had one man murdered each. The police department concluded that the Five men that died were members of the "Genjibotaru", a group of thieves who had repeatedly stole various artifacts and art pieces from the cities of Tokyo, Osaka and Kyoto. Is the murder that of those who have desire revenge? Or is it due to an internal conflict within the group? The police department was unable to obtain any clues as to the motivation of the crime... On the other hand, Conan, who had arrived in Kyoto with Kogoro, Ran and Sonoko, teams up with Hattori Heiji to investigate the case. However, the men in Okina Masks appear in their way. In the entwining crossroads of Kyoto, Conan and his friends must confront the mysteries and traps hidden by the darkness of history! A tough case and sharp inference, friendship and love relationships, and the introduction of the all-star cast! And Conan's body finally...
