Spies from several countries try to find out what secrets are hidden in the mind of a young amnesiac girl who has appeared in Paris.

Richard killed his wife out of jealousy, but was acquitted. During the vacations, he meets a young girl and decides to start a new life with her. Knowing Richard's past, his father warns them of the risks involved, and once again blinded by jealousy, he tries to kill his wife. He is then shot dead by his father-in-law.

Slim Callaghan investigates the theft of the famous Upper Sangha diamonds. Disguised as a Salvation Army auxiliary, he boards a luxury yacht where a transvestite party is being held. During an illusionist's trick, Callaghan manages to steal the precious diamonds, but the thief escapes.

Dominique is a pretty, vivacious girl. When she witnesses a car theft, she throws herself and her bicycle under the vehicle. Jacques Mareuil, whom she then blackmails, pays her a sum to cover her debts. In reality, Mareuil, a policeman, is keeping an eye on Atcheminov, the owner of the car, but, wanting to prove that he is an unscrupulous trafficker, he comes up against Dominique's impetuosity time and again. It all ends up like in a good comedy.

With the help of a social worker and Isabelle, Pierre, a delinquent influenced by Marcelle, undertakes a slow and difficult reintegration.

Thérèse, a young flower girl, tries hard to remain virtuous but the whole world seems to conspire against her, whether her petty Paris family, or her relatives in the province bristling with false respectability, or her lustful employer, or the boy she loves who seduces her and abandons her. But at the end of the day there is Yvon, her childhood friend. Will he be the one that will love her truly?

Montmartre in the summertime. A group of street urchins idles outside while the other kids of the neighborhood are away on holiday.To keep the gang busy, Pivolo, their leader, has an idea : they are going to kidnap Aunt Faguet's doggy. Just for the fun of it. A few days pass after the crime is accomplished and one of them suddenly realizes that a reward is being offered by the aunt to anyone who would bring her her pet back. Mademoiselle Hélène, the kind-hearted social worker, does it for them and gives them the reward money, which is instantly exchanged for lollipops, nougat and merry-go-round and cinema tickets. So, why not continue? That's what they do, abducting several dogs, until they realize they are becoming ... too rich! They can't buy themselves luxurious gifts or else their parents are bound to suspect something. Instead, they decide to do good by helping poor people around them. One day, Pierrot, a member of the gang, gets run down by a cyclist and becomes blind.

The exploits of Chief Police Inspector Chabrier, first before the invasion of France in May 1940 as he fights against spies preparing the coming the Germans, particularly Emmy de Welder, the alleged manager of the Rouen hospital. Later, Chabrier and his men go underground and resist the occupiers whatever the price to pay. When the Liberation comes Chabrier resumes his activities at the French National Police.

Happily married to Sandrine, Pierre Fouques also known as Raboliot is the father of two young children. He would live a steady life hadn't he a passion for poaching, which gets him into a lot of trouble. Because of the nastiness of Bourrel, the gamekeeper, of the jealousy of other poachers, he becomes a hunted man who, in order to defend himself, is driven to commit a crime.