Poorly educated by her father, a wacky researcher, Claudine is a teenager full of life who loves her small village school run by Miss Sergeant. A new teacher, Aimée Lanthenay, arrives at the school. Seemingly awkward, she is actually an arrivist who manages to get the departure of Miss Sergeant.

Serge Mouret is a frail and devout young priest in a tough country parish. When he falls down and loses his memory, he is nursed back to health by Albine, the beautiful carefree niece of the outspoken atheist Jeanbernat. After Serge and Albine fall in love, Serge recovers his memory and realizes the grave sin he has committed.

Dr. Françoise Gailland has a hectic schedule, which causes her to have little time to spend with her family, which consists of her husband Gérard, her pregnant teenager daughter Élisabeth, and her sullen son Julien. However, she does manage to find the time to spend with her lover, Daniel Letessier. While her life in such disarray, she learns that she has cancer. Françoise tries to put a brave face on it, and is determined to face the life-threatening disease with courage.

Paul Lamiani, a wizened mobster, is asked to return to duty following the disappearance of secret documents of extreme importance. It is assumed that they are in the hands of a friend of Paul. But the case becomes even more delicate when Lamiani's son is kidnapped.