Ep. 12: D'Eon lucha contra Vorontsov mientras Maximilien confiesa sus crímenes pasados y los Mosqueteros se dirigen a Londres.

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D'Eon does battle with Vorontsov, but it is Lia who ultimately kills him. Durand and Maximilien come face to face, and Maximilien reveals he was not only the one who stole the Royal Psalms, but also the one who killed Lia in the past. Ekaterina gives Pyotr the death penalty as punishment for his wrongful acts. Meanwhile, back in France, it is revealed that Marquise de Pompadour and Praslin were the ones pulling the strings in Russia, and that all her plans for that country have been ruined because of D'Eon's group. It is hinted that her plans are to plant the seeds of rebellion in France, and the Four Musketeers depart for London to follow Maximilien. (Source: Wikipedia)