Tibere (Sami Frey) is a small-time hood who tries to get one of three airline hostesses to help him in his gold-smuggling operation in this light comedy. One woman is a snob, the second is adventurous, and Melanie (Mylene Demongeot) is sentimental about love. When Melanie and Tibere fall for each other, he is inspired to give up his life of crime for the woman he loves.
A young man is a collector of feminine conquests. One morning, leaving one of his mistresses he is addressed by one of his past flirts. As revenge, she denounces him later to the police as the murderer of her fiance who was found dead the same morning. With the help of his mistresses and some new ones he makes on the road, the young man goes in search of the man he thinks is the killer, then his blond consort with whom he fell in love at the first sight the evening before.
In Paris, Bob Montagne is practically synonymous with gambling -- and winning. He is kind, classy and well-liked by virtually everyone in town, including police inspector Ledru. However, when Bob's luck turns sour, he begins to lose friends and makes the most desperate gamble of his life: to rob the Deauville casino during Grand Prix weekend, when the vaults are full. Unfortunately, Bob soon learns that the game is rigged and the cops are on to him.
