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.
Is Kindaichi Case Files Movie 2: Deep Blue Massacre on Netflix? Unfortunately the movie Kindaichi Case Files Movie 2: Deep Blue Massacre is not yet available on Netflix.
| Writing | Shin Kibayashi | Author |
| Visual Effects | Hideki Hamasu | Key Animation |
| Directing | Daisuke Nishio | Director |
| Writing | Michiru Shimada | Screenplay |
| Sound | Kaoru Wada | Original Music Composer |
| Production | Tetsuya Watanabe | Producer |
| Sound | 樱井贤 | Theme Song Performance |
| Sound | Kohnosuke Sakazaki | Theme Song Performance |
| Sound | Toshihiko Takamizawa | Theme Song Performance |
| Visual Effects | Shingo Araki | Character Designer |
| Visual Effects | Michi Himeno | Character Designer |
| Visual Effects | Hidemi Kubo | Character Designer |
| Production | Shinji Shimizu | Producer |
| Production | Michihiko Suwa | Producer |