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.
and just let the opportunity
to catch him slip away from you.
da wollen Sie doch die Chance
nicht verpassen, ihn zu fangen.
y permitirás que la oportunidad
de capturarlo se te escape.
d’arrêter un meurtrier de masse, si ?
e perder a oportunidade
de não prendê-lo.
Ты же не упустишь
возможность схватить его?