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.
Length 92 minutes
François Patrice | Constant Rémy | Lise Topart | René Génin | Lucas Gridoux | René Blancard | Pierre Labry | Léonce Corne | Claire Gérard | José Artur | Henri Valbel | Luce Fabiole | Jacques Sommet | Robert Moor | Max Dalban | Georges Hubert | Charles Vissières | François Loiselet | Dino de Philippe | Roland Moreau | Denis Gorman | Dany Bill | Lucien Galvignet | Marcel Loche | Jean-François Martial | Christian Modeste | Georges Olivier | Véran