A dying scholar’s final words—"Beware the coffin"—plunge Sherlock Holmes into one of the strangest and most baffling investigations of his career.
Summoned to the ancient Northleigh Manor, Holmes and Dr. Watson find themselves confronting murder, cryptic clues, and an enigma that seems rooted in the distant past.
But as the investigation deepens, Holmes begins to suspect that the greatest danger has yet to reveal itself.
With time fast running out, Holmes must unravel the meaning of the cryptic warning before a ruthless killer strikes again.
