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.
Douglas is a foreign entrepreneur, who ventures to Russia in 1885 with dreams of selling a new, experimental steam-driven timber harvester in the wilds of Siberia. Jane is his assistant. On her travels, she meets two men who would change her life forever: a handsome young cadet Andrej Tolstoy with whom she shares a fondness for opera, and the powerful General Radlov who is entranced by her beauty and wants to marry her.
En 1885, un inventeur fou imagine une machine à déboiser qui faciliterait l'exploitation des immenses forêts de Sibérie. Pour obtenir l'approbation du tsar, l'inventeur utilise le charme d'une jeune femme, qui doit approcher un général, commandant l'école des cadets de l'armée russe et membre de la commission technique qui pourrait faire accepter le projet. C'est le début d'une terrible histoire d'amour et de déportation sur fond de mise en scène des Noces de Figaro, de Mozart, « un grand compositeur ».
Holmes and Watson attempt to thwart the schemes of the infamous blackmailer Charles Augustus Milverton from blackmailing Lady Eva Blackwell. But things do not seem as easy as they do and Holmes must sacrifice his morality and his honourable career to stop Milverton from wrecking her marriage. Holmes and Watson are called in to deal with a blackmailer. A dazzling young lady is about to be married, and Charles Augustus Milverton, the slithery king of all blackmailers, has letters she wrote to another man. Watson is astonished when Milverton calls at Baker Street at the invitation of Holmes, who has a plan to thwart him. As ever, things are not quite as they appear to be.