Milverton blackmails Mary, exploiting her dalliance in antigovernment activities as a student. Sherlock decides to sneak into Milverton's estate to steal his evidence, but even that act was anticipated. Sherlock finds that he is not the only trespasser.
Now, as to our negotiations...
Also dann,
Ahora, en cuanto a nuestras
negociaciones…
Et donc, pour ce qui est
de notre petit marché…
Muito bem, e quanto às negociações…
Так вот.