A captivating journey through the gas-lit streets of Victorian London as retired soldier Lieutenant Brackenbury Rich is enticed into a mysterious world of intrigue. From an exclusive party to a daring mission led by Colonel Geraldine, Rich joins forces with Prince Florizel and Dr. Noel to ensnare the elusive President of the Suicide Club. In a high-stakes duel, secrets are unveiled, alliances tested, and destinies hang in the balance.