A convicted thief in Dartmoor prison hides the location of the stolen Bank of England printing plates inside three music boxes. When the innocent purchasers of the boxes start to be murdered, Holmes and Watson investigate.
Released: May 24, 1946
Runtime: 72 minutes
Genre: Mystery, Crime, Thriller
Stars: Basil Rathbone, Nigel Bruce, Patricia Morison, Frederick Worlock, Harry Cording, Carl Harbord
Crew: Roy William Neill (Director), Frank Gruber (Adaptation), Arthur Conan Doyle (Story), Leonard Lee (Screenplay), Martin Obzina (Art Direction), Roy William Neill (Producer)