Amakusa Treasure Legend Murder Case - File 5

Synopsis

The serial killer Hakuhatsuki — the White-Haired Demon — uses a cunning psychological trick to throw the group into chaos and plunge them into terror. But at last, he falls into the trap Hajime set. To unravel the trick, Hajime checks everyone's watches one by one. And in the end, the killer's identity is revealed. What was it that drove the White-Haired Demon to commit these crimes?