15-year old schoolboy Denis and the nun Clotilde fall in love with each other. During the war the two of them take shelter at an abandoned farm and live happily together until the locals start to become suspicious.

Young pilot Tony Cardot goes on the run after inadvertently crashing his plane into a group of Gypsy children. He reaches Montreal and crosses paths with American gangster Charley Ellis, who forces him to join in his gang's latest scheme.

The beautiful O is taken by her boyfriend, Rene, to a bizarre retreat, where she is trained in bondage and sexual perversion...