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.
"The Final Problem Act 1."
Der letzte Fall,
erster Akt
El problema final, Acto I
Le dernier problème – Acte 1
Последнее дело Холмса: Часть 1