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.
But then, upstairs, right about now,
both your boss and my boss,
Pero arriba, justo en este instante,
tu jefe y el mío,
Mais tu sais,
Mas então, lá em cima, agora mesmo,
seu chefe e meu chefe,
Представь, прямо в этот момент
наверху наши боссы,