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.
This will be an infiltration mission,
Da Sie diesmal heimlich infiltrieren,
werden die Kugeln
Esta será una misión de infiltración,
Comme il s’agit
d’une mission d’infiltration,
Será uma missão de infiltração,
Так как в этот раз
вы работаете под прикрытием,