"The Alchemy Murder Case File 1"

The File of Young Kindaichi Returns – Season 1

Kindaichi is on a treasure-hunting reality show with the goal to find a hidden ton of gold bullion, but he and the other contestants and staff don't realize they're being stalked by a murderous masked figure who may be an alchemist! Making matters worse is the fact that they're trapped on an isolated island with no means of communication!