There's trouble afoot in Regency London's Jewish community, and no one to stop the crimes-until wealthy-widower-turned-sleuth Mr. Ezra Melamed teams up with an unlikely pair: General Well'ngone and the Earl of Gravel Lane, the leaders of a gang of young Jewish pickpockets. When a colleague in the secondhand linen trade is found murdered on Gravel Lane, the Earl of Gravel Lane and General Well'ngone exchange picking pockets for picking up clues...