The old world is crumbling, 1759: Outside the gates of the magnificent Versailles palace, the city of Paris sits mired in squalor and crime. One night a young woman's body is found with ghastly mutilations that shock onlookers to the core. The Inspector of Strange and Unexplained Deaths begins investigating this macabre outrage, but the clues he uncovers draw him into a deadly web of intrigue, and bring him face-to-face with notorious adventurer and seducer, Giacomo Casanova. As a second butchered corpse is discovered, the Inspector finds his life in grave danger and his revolutionary past exposed. Can he navigate between the factions secretly warring for power and find a way to the truth?