Watson's secret manuscript has been rediscovered, and there is another hidden secret in the Sherlock Holmes detective story!
In London in 1880, the bizarre murder case recorded by Watson in "A Study in Scarlet" came to an end, but an evil sacrifice to summon the ancient gods of the universe has officially begun. Sherlock Holmes, the incarnation of wisdom, will face a horrifying truth beyond the scope of human cognition.
"Holmes, my dear fellow, it is time that I told you what you really did." - Watson
