Kindaichi, Miyuki and Fumi are invited to the resort of the Deep Blue Island by their senpai Akane, the daughter of the president of the Aizawa Group. A group of criminals infiltrate the hotel diguised as waiters to kill the members of the Aizawa Group. The criminals don't know their boss in person, and they don't know either that he's in the hotel with the members of the Aizawa Group.
as Hajime Kindaichi (voice)
as Miyuki Nanase (voice)
as Isamu Kenmochi (voice)
as Kengo Akechi (voice)
as Yousuke Itsuki (voice)
as Fumi Kindaichi (voice)
as Shuuichirou Aizawa (voice)
as Yurie Aizawa (voice)
as Suguru Aizawa (voice)
as Kouichi Aizawa (voice)
as Akane Aizawa (voice)
as Takeshi Suou (voice)
as Makoto Wakabayashi (voice)
as Kisuke Akamori (voice)
as Saito (terrolist) (voice)
as Numata (terrolist) (voice)
as Mikoto Naguni (voice)
as Professor Naguni (voice)
as TV announcer (voice)