The Emerald Isle has been kept hidden from human eyes for years. Merfolk thrive in a sunlit paradise free and safe from greedy humans. Until one day, the youngest princess, Ariadne, happens upon a wounded human prince. Against her eldest sister's wishes, she nurses the human back to health. A good deed develops into a deep love, though their love will never be allowed to exist on the island. With so many obstacles in their path, will the young mermaid and her human prince's love triumph over all?