The Sign of Four (1987)
The Master Blackmailer

7.2
Overview
For years, a blackmailer has been preying on the weaknesses of others throughout London. When Holmes hears of the utter misery this mystery man is creating, he adopts a campaign to thwart his evil scheming. The campaign astonishes Dr. Watson by its strangeness and finds Holmes falling in love.
Sherlock Holmes (Jeremy Brett) Collection
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