The year is 1855. The Crimean War is raging. The incompetence of British commanders causes the fall of the English government. The Empire teeters. Amid this crisis comes opium-eater Thomas De Quincey, one of the most notorious and brilliant personalities of Victorian England. Along with his irrepressible daughter, Emily, and their Scotland Yard companions, Ryan and Becker, De Quincey finds himself confronted by an adversary who threatens the heart of the nation.

This killer targets members of the upper echelons of British society, leaving with each corpse the name of someone who previously attempted to kill Queen Victoria. The evidence indicates that the ultimate victim will be Victoria herself.