Raimon has carried the Blue Flame, the true spirit of the Occitan, to the mountains above Castleneuf. There he dreams of Yolanda and gathers more people to his cause. But his resolve begins to fail as he is besieged by the Catholic Aimery and the Cathar White Wolf. In Paris, Yolanda, resists marriage to Sir Hugh, who is building a war train to topple Raimon and bring the flame and the Occitan under the role of the French King ...