Sylvie, a girl who believes she is cursed having seen her two lovers die in tragic circumstances, lives in the town of Carcassonne, in the South of France with her adoptive guardian, Mr. Toulzac. This one, a retired school teacher, has a passion: to discover the secret of the Cathars, a Christian sect of the Middle Ages that glorified death over life. One day Sylvie meets Roland, a pianist and composer back home in Carcassonne. A handsome and good man, he instills new hope into Sylvie's troubled mind.