A stolen envelope holds a deadly message. Holmes and Lucy must decode it, but a ruthless criminal organization wants to kill them first. And directly in the line of fire is Lucy’s mother.
A fun and innovative take on a classic Sherlock thriller, with memorable new characters, thrilling twists and turns, and the return of a beloved character from the series opener. The Coded Blue Envelope stays faithful to the spirit of the original Holmes canon, while showing the true value of family and friendship.