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.
So, how are you planning to
prove that this is a frame-up?
Und? Wie wollen Sie
den Schwindel beweisen?
¿Y cómo planeas demostrar
que esto es un montaje?
Comment prouveras-tu
qu’il est innocent ?
Então como você planeja
provar que isso foi armação?
И как ты докажешь,
что дело подстроено?