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.
That Jack the Ripper incident
that took place the other day--
Der kürzliche Jack-the-Ripper-Vorfall …
Sobre el incidente de Jack el Destripador
que ocurrió el otro día…
La récente affaire Jack l’Éventreur…
O incidente com Jack, o Estripador,
aconteceu noutro dia...
Вспомним недавнее дело
Джека-потрошителя.