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.
I swear I will unravel
everything about you,
Ich werde alles über Sie enträtseln
Juro que descifraré todo sobre ti,
Je révélerai tous tes crimes
Juro que desvendarei
tudo sobre você,
Я пролью свет на все твои козни