Moriarty the Patriot S01 E16 The Phantom of Whitechapel, Act 2

"It's time for crime to revolutionize the world!"

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.