A culprit is arrested in the Jack the Ripper case which was solved by the Moriartys. Suspecting a frame-up by Arterton, Lestrade asks Sherlock for help in finding evidence that would prove it. Meanwhile, Paterson works to sneak Bonde inside the station.
The question, though,
is where would we find it?
Die Frage ist nur,
wo dieses Buch ist.
La pregunta es:
¿en dónde lo encontraremos?
Mais où pourrait être
ce livre de comptes ?
Mas a questão é:
onde nós o encontraremos?
Вопрос в том, где его искать.