In turn-of-the-century Paris, Georges Randal is brought up by his wealthy uncle, who steals his inheritance. Georges hopes to marry his cousin Charlotte, but his uncle arranges for her to marry a rich neighbour. In retaliation, Georges steals the fiancé's family jewels, and enjoys the experience so much that he embarks upon a lifetime of burglary.

Julie Ballenger has spent five years in a psychiatric clinic. Leaving the clinic apparently cured, she is hired by a wealthy industrialist, Mostri, to work as a governess to his young nephew, Thomas. The boy is heir to a huge fortune after the recent death of his wealthy parents who died in mysterious circumstances. During a visit to a park, Julie and Thomas are kidnapped at gun-point and driven away to deserted quarry. The two hostages manage to escape, but are closely pursued by an armed killer...

The film follows the exploits of Jacques, a car-mechanic turned pro-thief, and his Jewish co-conspirator Simon as their robberies, beginning well before the Second World War, take on a political coloration under the occupation.

Marceau Léonetti, a competent and energetic officer stops by chance the son of an influential lawyer driving under the influence of alcohol. A few months later, the lawyer falsely accuses Léonetti as being violent and incompetent. As a result Marceau is transferred to a small police station, where he meets young and beautiful Jeanne. Soon they are faced with a tough investigation.

While on vacation, a woman's husband is taken by the Russian government. After one attempt fails, she begins looking for a suitable spy to capture and trade in exchange for her husband, but she develops an attraction to the one she thinks is a good candidate.