Storyline:
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.

Cast:

Basil Rathbone Sherlock Holmes

Nigel Bruce Dr. John H. Watson

Patricia Morison Mrs. Hilda Courtney

Frederick Worlock Colonel Cavanaugh

Harry Cording Hamid

Medium: Unknown,

Loaned: No

Aspect ratio: Unknown