The head of a police station on Bow Street, Drummond, came to visit his old acquaintance, Lord Bayham. He brought with him his best inspector, Thomas Pitt—because the matter they had to deal with was not simple. In recent times Bayham had been blackmailed by a usurer, who threatened to reveal a terrible secret connected with the lord and a certain lady who suddenly died by suicide. But the usurer was murdered, and now Bayham is one of the most likely suspects. The lord asked Drummond to protect his honest name and find the murderer. While searching for clues, Pitt uncovered a strange closed organization whose members included Bayham and many other people of high society. And in the intricacies of fashionable society, Thomas’s wife Charlotte and her sister Emily understand things better than anyone…