Characters introduced
Gadgets introduced
Cast
Gadgets
Case
Situation
A woman named Masami Hirota shows up at Kogoro's Detective Agency and asks him to find her father, Kenzou Hirota. She is reunited with her father when they located him in a horse racing track. The next day, Kenzou is found dead and Masami missing. Meanwhile, another detective is tracking Kenzou down for his client, Akira Hirota.
Missing Person - Murder
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Victim:
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Kenzou Hirota
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Cause of death:
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Strangulation via hanging
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Suspects:
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Akira Hirota
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Murder
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Victim:
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Akira Hirota
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Cause of death:
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Cyanide poisoning
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People
Resolution
- Evidence
- Masami had make-up on and looked mature when reunited with Kenzou
- Every night, Kenzou would run the same taxi route over and over, even without customers, and at high speed
- Judging from the bruises from Kenzou's neck, the killer was a large man
- Masami's glasses were found in the crime scene
- Because of Conan's tracking button believed to be in Masami's watch, Akira was found dead due to cyanide poisoning in the hotel
The Hirotas were the criminals involved in the 1 Billion Yen Robbery Case. The route Kenzou drove at night was the practice route of the getaway. But Kenzou betrayed his partners, he ran and took the money for himself. In order to find him, his partners made fake identities - Masami and Akira. When found, Akira killed Kenzou and made it look like suicide. He broke his watch while doing so that's why Masami gave him hers. But the real mastermind of the 1 Billion Yen Robbery Case was Okita. The poison that killed Akira was originally intended for Masami.
Okita planned to kill the three from the very beginning. Kenzou realized this so he ran away with the money.
Manga to anime change
In the manga version of the story Gin and Vodka are the masterminds of the case (rather than Okita), and they end up killing Masami Hirota/Akemi Miyano who informs Conan of the organization's existence and that they dress in black. Her death is the motive of Shiho Miyano's defection which leads to Ai Haibara's appearance later in the series. Furthermore, Shiho makes a silhouetted appearance when Akemi is demanding for herself and her sister to be free of the organization, which is also omitted. To repair the storyline, Episode 128 The Black Organization: One Billion Yen Robbery Case was written with a similar ending to the manga version.
See also