Paul
Julien, fifteen-year-old, meets Nathalie, a girl his age whom he falls in love. Soon she is expecting a child. Their parents take the news with reservations. The baby will come and with it, the difficult learning of life.
Berto, Lidia's brother
A teenager who suffers from his mother's escapades imagines the life of his father in San Francisco.
Child
Antoine Doinel, a figura representativa do cinema de Truffaut, vive uma infância marcada pela ausência dos pais, a severidade dos professores e pequenos delitos. Baseado nas próprias experiências do diretor, o filme fez parte da inovação cinematográfica que deu origem à Nouvelle Vague.