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.

• DirectorMaurice Labro
• Release25 June 1947
• GenreCrime
• Duration1h 32m
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• Productions

  France Productions