The 4 season of Profiling was broadcast on TF1 from jeudi 5 septembre 2013 to jeudi 10 octobre 2013. It consists of 12 episodes, the first one is called "L'Etoile filante" and the last one "Sortir de l'ombre".
Matthieu Pérac is criminal brigade commander of the tenth arrondissement of Paris. He just learned that he will now work alongside Chloe Saint-Laurent, a psycho-criminologist as bright as she is confusing. After the shock of being imposed a psychologist with whom he cannot work, Matthew has to admit that this help is valuable to him.