Paris, 1933. Europe is still in the grip of feudalism, sorcerers stalk the streets at night, and secret societies vie for power. It is the world of REX MUNDI.. Rex Mundi means "King of the World" in Latin.

This issue: Julien comes tantalizingly close to the stolen scroll, and terrifyingly close to the Inquisition. He discovers the purpose of the temple in the sewers in a return visit underground. Meanwhile, Genevieve's relationship with the Duke of Lorraine grows ever more intimate. But the more evidence Julien collects, the more he suspects Lorraine's involvement in the theft of the scroll.Will Julien find the scroll, or will he find himself in the dungeons of the Inquisition?