Nathalie teaches philosophy at a high school in Paris. She is passionate about her job and particularly enjoys passing on the pleasure of thinking. Married with two children, she divides her time between her family, former students and her very possessive mother. One day, Nathalie’s husband announces he is leaving her for another woman. With freedom thrust upon her, Nathalie must reinvent her life.

Although he's now eighty years old, Claude Lherminier is still as imposing as he ever was. But his bouts of forgetfulness and confusion are becoming increasingly frequent. Even so, he stubbornly refuses to admit that anything is wrong. Carole, his oldest daughter, wages a daily and taxing battle to ensure that he's not left on his own. Claude suddenly decides on a whim to go to Florida. What lies behind this sudden trip?

Clement, a young philosophy teacher, is sent to Arras for a year. He meets Jennifer, a pretty hair stylist, and the two freely share their hearts and bodies as they try to overcome the cultural and social divide between them.