A marriage swindler and murderer of women is up to mischief in Paris, but the police are groping in the dark. Only when a woman who managed to escape him claims to be able to recognize the man by his eau de toilette does a trail open up that is important to none other than the manufacturer of Chanel No 5: Coco Chanel. After separating from her lover Dimitri Romanov and a brief affair with Picasso, she is also lonely. Will the amateur detective be the next victim? New product