After surviving a pistol duel, Lord Thraxton boasts his contempt for death and insults the attending physician. It is a mistake he will regret, for Silas Garrette is a deranged sociopath and chloroform-addict whose mind was broken on the battlefields of Crimea. When Thraxton falls in love with a mysterious woman who haunts Highgate Cemetery, he unwittingly provides the murderous doctor with the perfect means to punish a man with no fear of death.