Martinaud, an illustrious notary suspected of being the perpetrator of two horrendous crimes, voluntarily agrees to be questioned by Inspector Gallien on New Year's Eve. What initially is a routine procedure, soon becomes a harsh interrogation that seems to confirm the initial suspicions.

• TF1 Films Production
• Les Films Ariane
• Lino Ventura
• Michel Serrault
• Romy Schneider
• Guy Marchand
• Pierre Maguelon
• Serge Malik
• Jean-Claude Penchenat
• Yves Pignot