A woman is accused of the murder of her husband, who was jealous and brutal. Her lawyer manages to get her acquitted and they get married in the end.

Lucien Bonnet, Jean Vigneron's manservant, blackmails his boss, who is having an affair with Inès de Montalban, married to Ricardo. Vigneron pays the sum but Lucien is killed by an accomplice, Baruch. Everything seems to accuse Jean who, for fear of compromising Inès, prefers to keep mum. Fortunately, his innocence will be proved thanks to a surprise witness. The two lovers flee to Congo while the husband soon forgets them, finding comfort in debauchery.

1948. Madeleine is the headmistress of a kindergarten in Ménilmontant. Dr Libois, the school doctor, is very close to her heart. When Rose, a new helper comes to the school, Libois is impressed at once by her understanding of the little ones and her dedication to them. Little by little, Libois grows fond of Rose while becoming estranged from Madeleine. He eventually marries Rose.

During the second World War. The lives of three comrades fighting in the Forces Françaises Libres' flight. Pierre is a valiant pilot, afraid of nothing. Jean is reported missing during the Normandy landings. Jacques gets killed on the very last day of the conflict, leaving behind him a weeping widow.

Giuseppe is accused of killing his employer Matthias who is actually in a hospital with amnesia.