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The story concerns an attempt by fifth columnists to gain control of Australia's supplies of wolfram, a mineral used in the manufacture of munitions, involving a new wolfram field owned by Francis Jamieson (Marshall Crosby).
The story concerns an attempt by fifth columnists to gain control of Australia's supplies of wolfram, a mineral used in the manufacture of munitions, involving a new wolfram field owned by Francis Jamieson (Marshall Crosby).