Jean, nicknamed Brasse-Bouillon, and his brother Ferdinand live with their paternal grandmother, who is responsible for their upbringing. But when their parents returned from Japan, they settled in Belle-Angerie and resumed their role with the children, while their grandmother had to leave for cousins. The boys soon come up against the contempt of their mother, Marthe. Faced with this shrew, whom he nicknamed "Folcoche" (a contraction of "madwoman" and "pig"), Jean decided to join the resistance.

In Paris, in 1942, on a Thursday, the Parisian police herded together some 13,000 Jews for deportation to German territory. In this story, Paul (Christian Rist) is a teenager who tries to prevent this from happening. At first he attempts to save two elderly Jews, but they are resigned to their fate and comply with the order to assemble. For a short while, he is able to keep Jeanne (Christine Pascal) from joining them, but, after a long and strenuous day, she finally escapes from him he is too tired to chase after her.