

Tracing the extraordinary story of the amateur codebreakers who collaborated across continents to decipher a mysterious cache of coded letters which were discovered to…
Documentary • Movie • 2025 • 59m
Starring: Katie Leung
Director: Russell Barnes, Craig Collinson
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The Secret Letters of Mary Queen of Scots
Tracing the extraordinary story of the amateur codebreakers who collaborated across continents to decipher a mysterious cache of coded letters which were discovered to be from Mary, Queen of Scots.
Documentary • Movie • 2025