In nineteenth-century London, Cyrus Barker and his associate Thomas Llewelyn are renowned private enquiry agents, successfully utilized by the highest levels of Her Majesty’s federal government aswell as private residents. Their success, nevertheless, has led to their acquiring a powerful group of opponents, a lot of whom are determined to have their revenge.

At least one of those enemies is responsible for a bombing of their offices that puts Cyrus Barker into the medical center and endangers Thomas Llewelyn’s about Bloodstream Is Blood quickly forthcoming nuptials. To add to the dilemma, Barker’s long-lost brother Caleb arises on the rubble of their doorstep not long following the not-quite-fatal bombing.

Unsure of Caleb and warned about him by Barker, Thomas reluctantly accepts Caleb’s help both with a fresh case that comes in as well as aiming to pinpoint which of Barker’s opponents is building a move against them. As Thomas works his way through their enemy list, someone else is usually winnowing down that list: one by one those opponents are dying.

As time passes running out-and his bride-to-be reconsidering their marriage-Llewelyn must (using the sick-bed bound Barker’s help) uncover the killer as well as the storyline before it’s too past due.