Two would-be safe-crackers 'sort of' kidnap the two grandchildren of millionaire J. W. Osborne. In a story somewhat reminiscent of O. Henry's The Ransom of Red Chief, the ransom amount keeps getting smaller as the two children have the best vacation from boarding school ever with their two new friends.

Claude is a young man with a regular job, no history of trouble with the law and no chance of making any real money. He also has the brains and emotional detachment to make the big bucks as a hit man, and that becomes his new job title. A string of successful hits gets him sent to Los Angeles for his latest job. There he is accompanied by two goons: one who is perpetually nervous and the other who quickly worships the young man as a hero. The cold, ruthless hit man finally becomes unglued when he finds out that his latest target is a woman. She's a witness, set to testify against his boss, and guarded day and night by the police. It's her femininity that worries Claude: women are unpredictable, they don't do what you expect. Claude eventually proves that he is the unpredictable one and his own worst enemy.

Naive, by the book French police officer Nester Patou, is transferred to the Red Light district. Upon witnessing what must be a brothel, he calls the station and organizes a raid, transporting all the 'ladies' to the jail. This unfortunately disrupts the well organized system of the police and the Pimps union. Not to mention inadvertently netting his station superior at the brothel. Fired, he goes to a bar to drink, is befriended by Irma, beats up her pimp, and finds he is now Irma's new pimp. Nester's doesn't like the thought of his girl seeing other men, so comes up with a plan.