The Devil's Circuit

Chronology
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Episode 718 (Int. Episode {{{int-episode}}})
Information
Title:	The Devil's Circuit
Japanese title:	悪魔の回路 (Akuma no Kairo)
Original airdate:	November 16, 2013
Broadcast rating:	9,60%
Filler case:	#217
Season:	23
Manga source:	TV Original
Case
Cast:	Conan Edogawa Kogoro Mouri Ran Mouri Inspector Yokomizo
Case solved by:	Kogoro Mouri (via Conan)
Next Conan's Hint:	Chocolate bar
Staff
Director:	Yasuichiro Yamamoto
Screenplay:	Nobuo Ogizawa
Storyboard:	Susumu Nishizawa
Episode director:	Kenichi Takeshita
Animation director:	Hiroyuki Notake (supervisor) Miho Tanaka Yui Ushinohama (asst.) Tomoe Morishita (asst.) Akane Imada (asst.)
Voice Cast: Minami Takayama as Conan Edogawa Wakana Yamazaki as Ran Mouri Rikiya Koyama as Kogoro Mouri Akio Otsuka as Inspector Yokomizo Ōki Sugiyama as Detective Ogawara Masato Funaki as Akio Toda Ako Mayama as Chika Kaido Shōto Kashii as Yuichi Kaido Tomo Adachi as Koko Shimura
Music
Opening song:	Butterfly Core
Closing song:	Kimi no Egao ga Nani Yori mo Suki Datta

Cast

Characters
Conan Edogawa Kogoro Mouri Ran Mouri Inspector Yokomizo

Gadgets

Gadgets
Voice-Changing Bowtie Stun-Gun Wristwatch

Case

Situation

Murder? Suicide?
	Location: Chika Kaidou's villa Victim: Kouko Shimura Cause of death: Poisoning Suspects: Unknown

Murder? Suicide?
	Location: Chika Kaidou's villa Victim: Yuuichi Kaidou Cause of death: Poisoning Suspects: Unknown

Murder? Suicide?
	Location: Chika Kaidou's villa Victim: Chika Kaidou Cause of death: Poisoning Suspects: Unknown

People

Chika Kaidou
	Victim (poisoned) 40 years old Mystery writer

Kouko Shimura
	Victim (poisoned) 29 years old Chika's apprentice

Yuuichi Kaidou
	Victim (poisoned) 41 years old Chika's husband

Tomonori Ogawara
	25 years old Shizuoka prefectural police department detective

Akio Toda
	33 years old Editor in charge

Resolution

  Show spoilers »

Chika wanted to make it looked like Yuuichi and Kouko planned to kill her by injecting poison into two chocolate bars and then hid the syringe inside Yuuichi's room. Yuuichi's death was because of the poisoned sleeping pills that Kouko Shimura intended for Chika, while Kouko died from the poison that Yuuichi Kaidou smeared on the glass of water. While Yuuichi was setting up the poison, Toda's call made him surprised and dropped the chocolate bars, causing the position of them to change. Unaware of this, Chika accidentally picked up a poisoned bar and ate it, resulting in her death.

See also

• Season 23