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.

Starring:

Alexander Pollard, Anita Sharp-Bolster, Basil Rathbone, Boyd Irwin, Carl Harbord, Charlie Hall, Edmund Breon, Frank Baker, Frederick Worlock, Guy Bellis, Guy Kingsford, Harry Allen, Harry Cording, Holmes Herbert, Ian Wolfe, Leyland Hodgson, Lillian Bronson, Marjorie Bennett, Mary Gordon, Nigel Bruce, Olaf Hytten, Patricia Morison, Sally Shepherd, Ted Bi

Genre:

Crime, Drama, Mystery, Thriller