A man has found a way to win any bet he places on a horse. However, he himself must never be the person to place the bet.

A schoolteacher (Robert Dhéry) and his wife (Colette Brosset) use the couple's new car for a class field trip in this routine situation comedy. Soon the children are lost in this story written and directed by Jean L'Hôte taken from his own novel.

Sylvie, a young woman who believes to be cursed, lives in the town of Carcassonne with her guardian, Mr. Toulzac. He is a retired teacher who wishes to discover the secret of the Cathars, a Christian sect of the Middle Ages that glorified death over life. Sylvie meets Roland, a composer who instills new hope into her troubled mind. Mr. Toulzac then asks her then to renounce the world and go down a secret tomb he has just found.