Benjamin Rousseau is a high school teacher who uses an atypical method to help his students: philosophy. In each episode he tries to help a student and explores a philosophical theme specific to each one in order to help him or her but the worst thing is that his personal life is a complete mess, divorced he tries to solve his problems too, but unfortunately does not get anywhere.
The story revolves around the people of Sète, France. Their lives are punctuated by family rivalries, romance and scenes from daily life, but also by plots involving police investigations, secrets and betrayals.