During an evening in a bar, Roger, a friendly cognac salesman and connoisseur, overhears a telephone conversation that intrigues him, then worries him: "... a few bullets to the head and she'll be dead in a minute...". Distraught, Roger follows the stranger who has taken his car. A relentless pursuit ensues. Roger arrives at a mysterious property where the "assassin" disappears to commit his crime. Knocked unconscious by the killer he fought and prevented from carrying out his crime, Roger regai...