Magician Genyou Fuyuki invites Mouri to attend his magic show. So Mouri attends along with Conan and Ran, learning a few magic secrets and tricks along the way. During the final act of Fuyuki's show, however, the trick goes horribly wrong when Fuyuki is trapped underwater for a long period of time. Mouri tries but is unable to save Fuyuki. Was this really an accident, or was it murder?