When an important cache of seized heroin is stolen from a regional customs depot and two officers left dead, it becomes clear that there is a mole within the customs services. Commandant Sandra Longo, of internal affairs, is dispatched from Paris to unmask the traitor.
Two boys in their early teens in a strictly-run pre-WWII Catholic School form a firm friendship which is troubled by an abbot who is obsessed with the younger of the students.
Eight children of a wrecker live together on a strange island, in a supernatural happiness. Until their little paradise is disturbed when an old lady is discovered murdered there. They then embark on the investigation in search of the truth.
The teacher Odile Langlois starts her new job in the elementary school of a small French town. She is elegant and mysterious - but most of all, she is very friendly to her new students, whose confidence she gains so quickly. On the contrary, however, Odile's unconventional, alternative way of teaching does not appeal to some colleagues and parents who do everything to get rid of the young teacher ...