Suzanne is sixteen and is having sex with many boys, just for fun, but did not manage to really love one of them. Her family does not understand her. The father does not like her behaviour....
Dossignan is a zealous rural priest. The dean Menou-Segrais tries to keep him reasonable. But Dossignan will be tempted by Satan, then will try to save the soul of Mouchette, a young girl who killed one of her lovers.