Lampie takes Vis to the fair, where they meet Vis's aunt, Radiant Diamond, in a tent of Earth-Shaking Creatures. The boss of the tent sees a free attraction in Vis and tries to catch the fish boy. Radiant Diamond helps Fish escape, but does not survive. Together with the people of the fair, Lampje and Fish say goodbye to Radiant Diamond and return her to the sea. As his father the Admiral returns from his journey, Fish discovers where he comes from and overcomes his fear of water. Lampje is afraid that she will lose her new boyfriend.