Kogoro is invited to Yoko's engagement--no, Yoko's friend's engagement with a famous actor. When Kogoro arrives, though, he is hit with a tennis racket by mistake! It turned out that Yoko's frind had been blackmailed by an unknown person, and had been very careful when opening doors since. While everyone is watching a video, Yoko's friend goes showering. After quite a time Conan realises that something must be wrong and goes into the bathroom to find Yoko's friend lying in the bathtub with her neck cut.
Elenco: Minami Takayama , Kappei Yamaguchi , Wakana Yamazaki , Akira Kamiya , Rikiya Koyama , Megumi Hayashibara , Kenichi Ogata , Ikue Otani , Wataru Takagi , Chafurin , Yukiko Iwai , Kotono Mitsuishi , Kikuko Inoue , Fumihiko Tachiki , Hideyuki Tanaka , Kenichi Ogata , Sumi Shimamoto , Unsho Ishizuka , Yukiko Iwai , Yukitoshi Hori , Yuko Miyamura , Wakana Yamazaki , Kappei Yamaguchi , Minami Takayama , Akira Kamiya , Rikiya Koyama , Ryotaro Okiayu , Ai Orikasa , Atsuko Yuya , Hiroyuki Kinoshita , Asako Dodo .