Princess Ariel has reclaimed her rightful throne and her kingdom has settled into peace and prosperity under her reign. The calm does not last. Two wandering adventurers encounter a mysterious and powerful evil in the mountains—then vanish without a trace. Their report reaches Ariel's servants, who bring it to the queen. After consulting her grandmother, Ariel decides the situation demands her personal attention. She sets out to find her old companions and trace the source of the new threat before it reaches her kingdom.