A mysterious cipher is being scrawled on the walls around London. The first person to see the cipher is dead within hours of reading it. Sherlock plunges into a world of codes and symbols, consulting with London's best graffiti artists. He soon learns that the city is in the grip a gang of international smugglers, a secret society called the...
"The Blind Banker" is the second episode of the television series Sherlock, first broadcast on BBC One and BBC HD on 1 August 2010. It was written by Stephen Thompson and directed by Euros Lyn.
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