This expansion includes 5 new characters

• Steve McKeogh's “Spring-Heeled Man” who can jump over other people or obstacles
• Arnaud Fillon's “Abberline”, an inspector

• John Pizer, a butcher who frightens everyone
• Joseph Lane, an anarchist who builds barricades
• Madame, who can move fast, but won't enter the sewers

Furthermore, the expansion contains rules for a new way to set up the game.

Note: This is not a standalone product and you'll need the base game Mr. Jack to play.