Lyon, 1953. Maria Manzana is the oldest of a family with five children and the only one who has a job. Maria's mother is deceased and her father is regularly drunk and violent. One evening when he wants to beat his daughter Christine, Mary helps her sister and accidentally she kills her father. At Maria's advice the family would prefer to flee. Anna, the girlfriend of Mary's brother Michael, accompanies them. Michael doesn't want to leave her behind. A friendly trucker brings Mary and her compan...