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.
Have you ever heard of a secret
ledger that Arterton keeps?
Wissen Sie von dem schwarzen Kassenbuch,
das Arterton verwaltet?
¿Has oído del libro mayor
que Arterton guarda en secreto?
As-tu entendu parler du livre
de comptes secret d’Arterton ?
Já ouviu falar de um
Livro Diário do Arterton?
Ты когда-нибудь слышал
о чёрной бухгалтерии Артертона?