François, a miserable football player, becomes a town hero after bringing victory in an extremely important game. He uses his fame for revenge on the team star for the previous mockeries.

Out of prison after a five-year stretch, jewel thief Tony turns down a quick job his friend Jo offers him, until he discovers that his old girlfriend Mado has become the lover of local gangster Pierre Grutter during Tony's absence. Expanding a minor smash-and-grab into a full-scale jewel heist, Tony and his crew appear to get away clean, but their actions after the job is completed threaten the lives of everyone involved.

In France in 1946, the difficult return to civilian life of five deportees and prisoners of war after having lived through the hell of the Second World War.

A Russian emigrant sings in a Shanghai nightclub under the assumed name of Kay Murphy. All she dreams of is a peaceful life with her daughter Vera. But this is only a pipe dream as she has been forced by her former lover Ivan to work for a secret criminal organization, "The Black Dragon". Vera, who studies in a Hong Kong boarding-school, knows nothing about her mother's past. When Ivan, who is also Vera's father, resurfaces and blackmails Kay, the young woman is determined to fight back...

Industrialist Pierre Verdier kills his mistress Jeanne Ancelin by throwing her off a train. Her husband, Ancelin, decides to take revenge on his wife's murderer, who has been acquitted by justice.

In a maternity hospital, young single mothers are accompanied by social worker Hélène Lambert, who tries to make them aware of their new responsibilities, while Dr. Baurain stresses the importance of their moral and sexual education. They come to the aid of several young women: one who would like to give up her child to a couple applying for adoption, another who, after the death of her first baby in dramatic circumstances, is expecting a second, and many others.