A heart-in-the-mouth tale of intrigue, murder and love, played out across the castles and ruins of Southern France. As Yolanda's lover Raimon and her brother Aimery set off to re-gain the flame and the heart of the Occitan, Hugh prepares to lay siege to the Cathar stronghold where the flame burns. Unbeknown to him, his wife Yolanda flees his castle and into the freezing snow. What is Yolanda running from? What underhand game is Aimery about to bring into play? And will Raimon's passion for the flame cause him to lose Yolanda and even himself?