Paris, 1889: The world is on the cusp of industry and power, and the Exposition Universelle has breathed new life into the streets and dredged up ancient secrets. In this city, no one keeps tabs on secrets better than treasure-hunter and wealthy hotelier, Severin Montagnet-Alarie. But when the all-powerful society, the Order of Babel, seeks him out for help, Severin is offered a treasure that he never imagined: his true inheritance. To find the ancient artifact the Order seeks, Severin will need help from a band of experts. What they find might change the world, but only if they can stay alive.