Lisa and Gilles are a happy couple: they just got married and are about to go away on their honeymoon. Lisa is a stewardess. On a trip to Limoges, she is surprised to see in the window of a professional photographer, a wedding picture where the groom looks very much like her own husband. She discovers that the woman on the photograph has been murdered by her husband. Lisa talks about it to Gilles who instantly denies being a murderer. But soon, someone tries to kill Lisa and Gilles is nowhere to be found.