Shin'ichi helps solve a murder on a balcony. After-wards Shin'ichi goes with his childhood friend, Ran to an amusement park. When someone is decapitated on a roller coaster, they're riding on, he solves the case quickly. As Shin'ichi and Ran are about to leave, Shin'ichi follows a suspicious man into an alley he is knocked out and give a poison by a man in black, the poison doesn't kill him but instead shrinks him to the size of a kid.
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 .