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.
1964
2023
2002
1965
1959
1949
2021
1936
1939
1941
1944
1947
1946
1932
1953
1942
1945
1937
