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Sherlock: His Last Vow

9 pm Sunday, Feb. 2, on WILL-TV: A case of stolen letters leads Sherlock Holmes into a long conflict with Charles Augustus Magnussen, the one man he truly hates.

Benedict Cumberbatch at Sherlock Holmes

Benedict Cumberbatch at Sherlock Holmes

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?

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