Case Closed - Season 1 - Eps 639: Solving Mysteries at the Red Leaf Palace (2)
Nobue is found dead with a poisoned arrow in her back while holding a clean arrow in her hand. Ogito's crossbow is found near the scene leading the police to suspect him. Later, Ogito falls down a cliff due to being shocked by an electric fence. Conan, realizing how the events transpired, tranquilizes Kogoro and reveals how the three died. Katayose poisoned himself and hoped to frame his children in order to protect Nakakita from their greed. Nobue, seeking to increase her inheritance, set up the crossbow and held an arrow in her hand to frame Ogito for attempted murder, but was instead murdered by Ogito. Ogito meanwhile, figured out the location of the treasure which is placed inside a cross made of metal rods. As he attempted to remove the treasure, Suzuka re-activated the electric fence which unintentionally resulted in his death. As for the treasure, it reveals Katayose leaves his inheritance to Nakakita who is actually his blood-related granddaughter from his former love.
About Case Closed

Title: Case Closed
First Air Date: 1996-01-08
Last Air Date: 2025-03-08
Status: Returning Series
Rating: 8/10 (from 683 votes)
Language: JA
Seasons: 2
Total Episodes: 1157
Network: YTV
Genres: Animation, Crime, Mystery, Comedy
Production Companies: TMS Entertainment, Kyokuichi-Tokyo Movie
Synopsis
The son of a world famous mystery writer, Jimmy Kudo, has achieved his own notoriety by assisting the local police as a student detective. He has always been able to solve the most difficult of criminal cases using his wits and power of reason.
Cast

Minami Takayama
Conan Edogawa (voice)

Kappei Yamaguchi
Shinichi Kudo (voice)

Wakana Yamazaki
Ran Mouri (voice)

Akira Kamiya
Kogoro Mouri (voice)

Rikiya Koyama
Kogoro Mouri (voice)

Megumi Hayashibara
Ai Haibara (voice)

Kenichi Ogata
Hiroshi Agasa (voice)

Yukiko Iwai
Ayumi Yoshida (voice)

Wataru Takagi
Genta Kojima (voice)

Ikue Otani
Mitsuhiko Tsuburaya (voice)