A series of twelve "letters" from different parts of Vietnam in the days following the 1954 Geneva Conference, written in images and narrated in voice-over.
Jules Duraton is the headmaster of Chatelbourg's high school. He is happily married, has a teenage daughter named Solange, and everything would be for the best of all possible worlds if he and his family were not the namesakes of the protagonists of a famous comic series broadcast every day on Radio Monde "La Famille Duraton".
Outspoken student Noriko stands up to bullies and befriends pitcher Mitsuo. As their bond deepens, she impulsively declares she wants to marry him—then reconsiders, realizing both still have growing to do before love can truly begin.