As days pass without progress, the threat of war looms ever closer. Luckily, a curiously placed blood stain on a carpet in the murdered spy’s house leads Holmes to a revelation. But when the great detective finally unmasks the thief, he must choose between the truth and mercy.
A Noiser podcast production.
Narrated by Hugh Bonneville
Written by Sir Arthur Conan Doyle
Produced by Katrina Hughes and Addison Nugent
Sound Design and Audio Editing by Josh Latham
Compositions: Dorry Macaulay and Oliver Baines
Mix & Mastering: Liam Cameron
Series Consultant: Dan Smith
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