Sophie wants a donkey so badly that she manages to convince her mother to let her have one. Sophie plays with her new donkey, Cadichon, with Jean and Leon who come from Paris. The children enjoy playing with Cadichon but laughing soon turns to crying when they fall. The donkey is too much trouble and so it must be sold. Jean gives Sophie a little book as a memory of their time together with Cadichon. Could Jean be Sophie's first love?