England, at the start of World War Two. Mysterious wireless broadcasts, apparently from Nazi Germany are heard over the BBC. They warn of acts of terror in England, just before they take place. Baffled, the Defense Committee call in Sherlock Holmes.
1937
1967
2015
1943
1935
NaN
2019
1950
1977
1997
2022
1933
1965
1964
2020
2008