The Phantom Thief Kid sends a notice to Jirokichi Suzuki announcing he plans to return three stolen artifacts belonging to Sakamoto Ryōma: the letter, a cup with Ryōma's blood, and the pistol; during the Ryōma exhibition. Jirokichi persuades the owner of Ryōma's items, Shishihiko Tarumi, to host the exhibition in his museum while he sets up a trap to capture Kid. Sonoko, Ran, and Conan visit Jirokichi for more details.