A great specialist in this modern form of advertising called "public relations", George Flower wanted, on the one hand, to launch the films of the great American star Marylin Wood, and on the other hand to make the young starlet known to the general public. Françoise Martin on whom he has great hopes. To draw the attention of her fellow citizens to herself, Françoise will have to throw herself into the Seine, at the Pont de l'Alma, the very minute the President of the Republic will inaugurate the Salon Nautique and - Françoise will have to be saved , of course, by the big star of Hollywood Gary Johnson of whom she will be the partner in his next film.