Little Manuelle is desperate about the loss of her cocker spaniel; her condition has worsened. Doctor Vivien is helpless. Irène decides to make a last attempt with Pauline and Victoire Chassebon.
Knowing that his doctor parents are very busy, young Pascal Lantier struggles, without saying anything, with insurmountable school difficulties. But a circus has just set up its tent near the school.
Upon learning of Marc and Thérèse Rigaud's disappearance, Marc's parents are furious. To escape his brother René's bad mood, Jean-Paul goes out for a walk. Near the road, he catches sight of Marc's car, hidden among the weeds.