This would be a great basis for a story in a tabletop roleplaying game campaign.

• 3 amateur codebreakers set out to decrypt old letters. They uncovered royal history - OPB

We can now learn more about one of the most controversial monarchs in European history, thanks to a trio of amateur cryptologists who unknowingly stumbled upon a treasure trove of long-lost letters by Mary, Queen of Scots and worked painstakingly to crack their code.