Sherlock Holmes devises a cunning plan to snare a ruthless blackmailer who’s been causing misery throughout London. And this time, even his loyal sidekick Dr. Watson finds the Baker Street sleuth’s campaign a little strange. Based on Arthur Conan Doyle’s characters, this film features a softened version of Holmes who – zounds! – falls in love.

• The Master Blackmailer (The Case-Book of Sherlock Holmes)
• Peter Hammond
• Jeremy Brett
• Edward Hardwicke
• Robert Hardy
• Granada Television
• WGBH