|Mystery of Missing Gold Medal|
|Romaji||Kieta Kin Medaru no Nazo|
|On-Air Date||Episode 43 (27 Feb 2016)|
|Characters||4 People (3 Men & 1 Woman)|
|Death||1 People (1 Man)|
|Location||Glory Samejima Sport Gym, Tokyo|
|Murderer's Alias||Gentleman Thief|
|Last Case||Female Doctor's Bizarre Plot|
|Next Case||Drifting Firefox Murder Case|
Mystery of Missing Gold Medal is 17th case in Anime Kindaichi Case File : Returns Series. This case also first anime Returns Series original case.
- Susumu Samejima (60) - Owner of Glory Samejima Sport Gym.
- Kenta Wakasugi (25) - Employee in Glory Samejima Sport Gym.
- Yuri Ayukawa (30) - Employee in Glory Samejima Sport Gym.
- Tamotsu Kamei (38) - Reporter.
| Spoiler warning!|
This article contains plot details about an upcoming episode.
The Culprit is Susumu Samejima.
After Tamotsu Kamei has found out that he has use drug during his athletic years, Tamotsu start to blackmail him for money in order to keep his secret. After awhile, Susumu has feel enough about it and murder Tomatsu to shut him once and for all.