The hit French court dramas Barbara's Law and Alexandre's Law continue with Pauline's Law. After her divorce, Pauline starts a career as a lawyer (Zabou Breitman). She works in a small town and gets her first case, appointed by the court. She has to defend Alain (Serge Riaboukine), a farmer suspected of having intentionally set fire to his brother's farm, killing him in the process.