The Four Musketeers pursue Vorontsov until he finally arrives in St. Petersburg. Here D’Eon attempts to gain permission from Empress Elizabeta to operate in Russia.

D’Eon gains the Empress’ trust, and learns she and Lia were friends. Shortly after, Vorontsov and Bestuzhev carry out their assassination attempt on the Empress.

D’Eon briefly battles Vorontsov until the building collapses. Robespierre continues the assassination plot against the Empress.