A series of murders is being carried out by someone claiming to be Jack the Ripper. In response, a vigilante group of the town's poor confronts Scotland Yard while William and the real Jack scramble to uncover the true culprit's aims and foil their plans.
Yeah, I know.
Das weiß ich doch!
Sí, lo sé.
Mais oui, je sais.
Sim, eu sei.
Да-да, без тебя знаю!