: The episode prominently quotes The Tempest ("Hell is empty / And all the devils are here"), framing the Victorian aristocracy as the true "devils" walking the earth.
This episode, titled serves as a fascinating study on the manipulation of public perception and the burden of necessary evil . While its surface plot revolves around catching a "fake" Jack the Ripper, the underlying essay it presents is far more complex, focusing on how a shared enemy can force unity even between bitter rivals. The Power of the "Common Enemy" YuukokuNoMoriarty2_Ep_05_SUB_ITA.mp4
: Sherlock Holmes ultimately understands that maintaining the myth of a "single evil" is better for London's morale than revealing the messy truth—that a group of people was using the Ripper's name to incite a civil war. Justice vs. Cruelty : The episode prominently quotes The Tempest ("Hell
: By having the real Jack the Ripper (Renfield) expose himself, Moriarty forces the bickering Scotland Yard and the local Vigilance Committee to stop fighting each other and focus on a single target. The Power of the "Common Enemy" : Sherlock