Pawel, a Polish man in his early 30s, makes a living with his father Zygmunt importing second-hand clothing from the North of France to Southern Poland. On his way back from one of regular "business trips", Pawel is shocked to discover his father's picture on the cover of a Polish tabloid newspaper. The headline "traitor" is written next to his name. Zygmunt is a genuine hero of the struggle against totalitarianism and a recognized member of the "Solidarnosc" labor movement of the 80s. But now, Zygmunt is suddenly accused by the paper of having acted as a secret informer called THE MOLE by the communist regime.

The story a rescue, the rescue of a bad brat's life in the post-WWII period. In 1947, Roger reaches 11 years old. He's a kid badly loved, mischievous and specializes in silly things to do. He is sent to a small boarding school in a small village. Mumu reigns over here. She's not the bitchest school teacher of the area. Roger has already been expelled from several schools and this is his last chance to avoid the reformatory his father has been promising him for a long time. But this is will change with the vigilance of Mumu, who, despite her strict aspects, proves herself to have a big heart.

Clara is afraid of words. Her daughter, Anna, is afraid of others. Vincent is afraid to grow up. But he won't be afraid to love them.