A trail of beribboned murders. A ticking bomb. A city about to explode. July, 1858: London swelters under the oppressive heat of the hottest summer on record, and trouble is brewing. Forensic scientist Professor Adolphus Hatton and his trusty assistant, Albert Roumande, have a morgue full of cholera victims. The dead are all Irish, the poorest of London's poor. They came in their thousands ten years ago, forced into the London slums by the terrible...