Fiona Mahoney stands in the ashes of her hopes facing her tempting adversary, Inspector Grayson Croft. Her sins are about to spill from her lips, when he says the one thing that could dispel all thoughts of revelation or redemption.

Someone is leaving the corpses on London's cobbled streets, and a name is being whispered in the fearful shadows. The name against which Fiona would sell her very soul for vengeance.

Jack the Ripper.

Old enemies and new friends join Fiona as she chases a relentless evil through the streets of Victorian London. She'll pull upon every contact in her arsenal including Oscar Wilde, Arthur Conan Doyle, Inspector Aberline, "The Hammer" a charismatic gangster, "The Blade" an enigmatic assassin, and, of course, Jack.