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 corruption within
the Yard has been purged,
Die Korruption in Scotland Yard beseitigt,
die Führung des CID gewechselt …
La corrupción en Scotland Yard
ha sido purgada,
La corruption au DEC est finie,
et son exécutif a changé.
A corrupção dentro da
polícia de Yard foi removida,
Ярд очищен от гнили,
глава уголовного розыска сменился.