Conan and Ai rescue a kitten from a tree and return him to his owner, Tamotsu Ishigami, the owner of a local café. A woman barges into the café exclaiming she found her boss, Kenzo Kanemaru, dead. Conan, Ai, Kogoro, and Ishigami enter office to confirm the Kanemaru's death and the authorities arrive. Conan notices that someone used the vacuum and threw away its contents and also finds the paw of a broken maneki neko. After finding a notepad with its page ripped, blood on a flip clock at 12:59, and a kitten's bloody par print on the window still, Conan confirms Ishigami to be the culprit and tranquilizes Kogoro. Kogoro reveals that Ishigami killed Kanemaru with a maneki neko he bought and cleaned up the shattered pieces with the vacuum. As evidence, a message on the notepad reveals Ishigami had a planned meeting with the victim at 1:00 and the blood on the flip clock confirms the time of death. Furthermore, his kitten's bloody paw print was found in the room where the murdered occurred. Ishigami professes to the murder, lamenting over the debt he owed to him.