A boy, known in Naples as Colapesce because of his passion for the sea, is asked by the King to discover what treasures are hidden next to the three columns that support the city above the waters. On his third try Colapesce does not resurface. Amidst the tears of his friends and the grief of the king, it turns out that Colapesce, now magically transformed into a fish, has remained on the seabed to hold up the city of Naples which risks sinking because the third column is now broken.
