The Mystery Sinking in the Midsummer Pool

Chronology
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Episode 787-788 (Int. Episode {{{int-episode}}})
Information
Title:	The Mystery Sinking in the Midsummer Pool
Japanese title:	真夏のプールに沈む謎 (Manatsu no Pūru ni Shizumu Nazo?)
Original airdate:	August 1, 2015 (Part 1) August 8, 2015 (Part 2)
Broadcast rating:	7.6% 7.5%
Manga case:	#261
Season:	24
Manga source:	Volume 85: File 10 (903) ~ Volume 86: File 1 (905)
Case
Cast:	Conan Edogawa Masumi Sera Unknown child Ran Mouri Sonoko Suzuki Inspector Megure Detective Takagi Kogoro Mouri
Case solved by:	Conan Edogawa Masumi Sera
Next Conan's Hint:	Gas cylinder (Part 1) Foam (Part 2)
Staff
Director:	Yasuichiro Yamamoto
Organizer:	Shigenori Kageyama
Storyboard:	Shigenori Kageyama
Episode director:	787 Takanori Yano 788 Makiko Hayase
Animation director:	787 Masatomo Sudo (supervisor), Seiji Muta (supervisor), Akio Kawamura 788 Masatomo Sudo (supervisor), Seiji Muta (supervisor), Akane Imada, Yui Ushinohama (asst.), Nozomi Sakamoto (asst.)
Voice Cast: Minami Takayama as Conan Edogawa Noriko Hidaka as Masumi Sera Atsuko Tanaka as Unknown child Wakana Yamazaki as Ran Mouri Naoko Matsui as Sonoko Suzuki Chafurin as Inspector Megure Wataru Takagi as Detective Takagi Kae Araki as Nagami Oiso Shiho Kawaragi as Hamaka Oiso Yuji Fujishiro as Ensaku Toyoshima Soumei Uchida as Raito Samaki Kozo Mito as Boy A Jun Inoue as Boy B Riki Kagami as Forensics officer Sumomo Momomori as Receptionist A Fujiko Takimoto as Receptionist B
Music
Opening song:	WE GO
Closing song:	Kimi e no Uso

Cast

Characters
Conan Edogawa Masumi Sera Unknown child Ran Mouri Sonoko Suzuki Inspector Megure Detective Takagi Kogoro Mouri (Flashback)

Case

Situation

Part 1

Accident?
	Victim: Nagami Oiso Cause of death: Drowning Suspects: Raito Samaki, Hamaka Oiso, and Ensaku Toyoshima

People

Raito Samaki
	30 years old Company president's secretary Nagami's fiancé

Nagami Oiso
	Victim (drowned) 31 years old Company president's daughter Raito's fiancée

Hamaka Oiso
	28 years old Nagami's half sister

Ensaku Toyoshima
	56 years old Hotel manager

Resolution

  Show spoilers »

The murder was committed by Ensaku Toyoshima. The motive for the deed was the death of his younger sister, her husband, and their three-year-old son in a car accident. They had one day rented the special suite Nagami Oiso liked so much for a night in order to enjoy the special view it offered, until Nagami selfishly laid claim to the suite for herself, forcing the family to go to another hotel. But on their way there, they became victims of a fatal hit-and-run accident... with Nagami Oiso riding the car which hit theirs. In order to avoid prosecution, she called Toyoshima and asked him for a false alibi, thereby inadvertently revealing herself as one of the culprits.

Toyoshima committed the murder while he was attending to Nagami alone, ripping off the mouthpiece of her oxygen tank and drowning her in the pool. In order to provide himself with an alibi, he had prepared the aquarium by fixing it to the bottom of the pool with a fishing line. The trick employed involved a natural light differentiation between the water surrounding the aquarium and the air left inside the container, thereby rendering the body optically invisible for anyone staring into the pool from above the water's surface.

When Nagami's disappearance was noted and everybody started searching for her, Toyoshima secretly cut the line, thereby releasing the aquarium and thus allowing the body to appear. Then, while retrieving the scuba tank, he secretly dragged the aquarium away from the pool's center with his foot, he dropped the tank onto it and thereby smashed it to pieces in order to conceal its original shape. The evicence for this is found on the fishing line, which Toyoshima had wound up in a coil, thereby leaving his fingerprints on it.

In other languages

Language	Title	Translation
Vietnamese	Bí ẩn chìm dưới hồ bơi giữa mùa hè	The Mystery Sinking in the Midsummer Pool

See also

• Season 24