Sherlock Season 3 Episode 3

Sherlock Season 3 Episode 3

A case of stolen letters leads Sherlock Holmes into a long conflict with Charles Augustus Magnussen, the Napoleon of blackmail, and the one man he truly hates. But how do you tackle a foe who knows the personal weakness of every person of importance in the Western world?

Episode Title: His Last Vow

Air Date: 2014-01-12

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