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.
If I say there isn't one,
then there isn't one!
Wenn ich das sage, ist es auch so!
¡Si yo digo que no la hay, no la hay!
Je ne falsifie rien du tout !
Se eu digo que não
tem é porque não tem!
Сказал «нет» — значит, нет!