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.
...unless you want your dear friend's
precious wedding to be cancelled,
Wenn Sie die Heirat Ihres besten Freundes
nicht vereitelt sehen wollen,
…a menos que quieras que la boda
de tu preciado amigo sea cancelada,
si tu ne veux pas empêcher
le mariage si cher à ton ami,
Если ты дорожишь свадьбой
своего лучшего друга,