Knulp had a bright youth, full of hopes. Twenty years later he is back in his homeland, sick and tired by years of wandering.
The whole landscape is filled with souvenirs... Encounters... Each time those who admired him express joy, reproaches and lack of understanding. "Why have you not become a CEO? A philosopher? A judge?"
Knulp serves as a mirror. But he came here to find an answer: why has my life not been as perfect as a ripe apple?