When Monsieur Crauqual, the supervisor, is found hanging, all wonder why this rather rich person decided to kill himself. And when a pupil is found hanging too, François and his friends decide to investigate. They are certain there is a killer within the walls of Collège François 1er and determined to prevent him from going on running wild.
François Patrice , Constant Rémy , Lise Topart , René Génin , Lucas Gridoux , René Blancard , Pierre Labry , Léonce Corne , Claire Gérard , José Artur
France Productions
