Antoine Sforza, a thirty-year-old young man, left his village ten years before in order to start a new life in the big city, but now that his father, a traveling grocer, is in hospital after a stroke, he more or less reluctantly accepts to come back to replace him in his daily rounds.

让是一个好儿子、一位好父亲和一位好丈夫。 和心爱的老婆还有儿子一起过着安居乐业的生活。自从受儿子的班主任维洛尼卡·尚班的委托成为教师之后，他被尚蓬小姐的魅力所深深吸引。一直以来来往于家和工地之间的平静生活开始动摇。