Conan, Ran, and Kogoro come across an Italian restaurant on fire. A nearby man rushes inside the building. In an attempt to stop him, Kogoro follows him inside, where he discovers a body. The police investigation identifies the victim as Head Chef Marcello. The man who rushed into the building was Akiyama the waiter. Later, the owner Kurasaka, his daughter Mariko, and the victim's wife Arisa arrive. The police believe a burglar broke into the closed restaurant and ran into the victim while he was cooking, but...