Joanna accompanies her brother, Richard the Lionheart, on the Third Crusade and is the only woman to visit Jerusalem itself (then held by the Saracens). She returns to France to learn that her brother has been captured and held hostage. With Richard’s wife Berengaria, she works for his release. She marries for love, at a time when that was a rarity, but things go badly wrong when she finds that someone is trying to have her killed . . .