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.
A young journalist uncovers an assassination disguised as a suicide, linked to an American multinational seeking to dominate French industries. Determined to expose the truth, he races against time to gather evidence before more lives—and his own—are at stake.
Marc Elbichon, a novice private sleuth, is investigating a wave of assassinations bearing a particular characteristic: the perpetrator, dubbed the "telephone killer" always strangles his female victims with a telephone cord.
