The Master Blackmailer

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.

Cast: Jeremy Brett, Edward Hardwicke, Robert Hardy, Norma West, Gwen Ffrangcon Davies, Colin Jeavons