In which the Queen and King of the Under Folk, accompanied by a dear little earth-child named Fido, experience poignant dreams of forgotten pasts and come together with the King of the Mer-people in a hopeful declaration of peace between their realms. Amidst grand festivities and heartfelt farewells, the children return to their earthly lives, carrying with them only faint memories of their wondrous underwater adventures, while bonds of friendship and love quietly endure beneath the surface.