On the platform of a train station, the pretty Laurence is waiting for her fiancé. They have planned to go to Venice, but the young woman waits for hours for Prince Charming, who never comes. Meanwhile, Bruno Lombart, who lives on petty theft, has decided to lock his son Timothée in Laurence's apartment. The little boy's mission is to steal as many objects as possible. When the young woman returns home, disappointed, she is surprised to find little Timothy! He explains to her that if he doesn't bring back any booty from his expedition, he will be beaten. Out of pity, Laurence gives him a few trinkets, then drops him off in the street after having given him her coordinates...