After giving birth, teenage Sonia (Déborah François) returns home to find that her boyfriend, irresponsible petty criminal Bruno (Jérémie Segard), has sublet their apartment. Sonia tracks Bruno down on the street, and after the couple spends the night together, they decide to start a new life with the baby. But the next morning, Bruno sells their child for cash, sending Sonia into shock. Shaken by her decision to press charges against him, Bruno sets out to retrieve the baby.