Florence is a school teacher devoted to her students. When she encounters young Sacha, a child with problems, she will do everything she can to help him, even to the point of neglecting her own children, her own life, and of questioning her vocation. Little by little Florence realizes that learning has no age limit.

Antoinette, a school teacher, is looking forward to her long planned summer holidays with her secret lover Vladimir, the father of one of her pupils. When learning that Vladimir cannot come because his wife organized a surprise trekking holiday in the Cévennes National Park with their daughter and a donkey to carry their load, Antoinette decides to follow their track, by herself, with Patrick, a protective donkey.

Samir, a lanky crane operator in Montreuil, falls madly for Agathe. As master swimmer at the pool Thorez he decides to take swimming lessons with her. But the lie does not last three lessons - Agathe hate liars. Chosen to represent the Seine-Saint-Denis, Agathe flies to Iceland for the 10th Congress of the International Masters Swimming. Samir has no choice but to fly in turn also.