Monique, a Belgian girl, comes to Paris to learn painting and become an artist. She took courses at the Academy and found a studio in Montmartre.

After WWII, a young man without perspective arrives in Rome. Living in a loft, he gradually discovers the city becoming a tour guide.

The widow Barny lives in Nazi-occupied France, looking after her half-Jewish daughter in a small village. When the Germans arrive, she decides to baptize her and chooses priest Léon Morin to do so. After spending some time with him, the relationship with her confessor turns into a confrontation with both God and her own repressed desire. 

1943, Christmas Eve in occupied Brittany. Charles, a member of the Resistance, is parachuted into the house of his mother, Madame Parisot, where he meets Herta, a young German woman who has come to accompany her officer husband. Despite the situation, the two young people fall in love and protect each other, but their love is short-lived, interrupted at dawn by a deadly English bomb.

François and Victor sell hard candy at the fun fair. They also bring up Gisèle, a one-year-old child they found by the side of the road. Although the two men are often at each other's throats they are the best friends, getting on well with the other fairground people. But when they defend Lisa, the fortune teller's daughter against Dédé, a thug who pesters her, they provoke his anger. Dédé sets fire to the two friends' stand and they are forced to take the road.