Transported through time to the dank streets of Victorian London, Alex Locke seeks to unravel the mysteries of the Obsidian Heart. When a string of murders takes place, Alex follows a trail that will lead him through the opium dens of Limehouse into the dark world of the Society of Blood, and closer...

Transported through time to the dank streets of Victorian London, Alex Locke seeks to unravel the mysteries of the Obsidian Heart. When a string of murders takes place, Alex follows a trail that will lead him through the opium dens of Limehouse into the dark world of the Society of Blood, and closer to unlocking the secret of the Heart.