 In this Korean/Italian Anime series, we follow the many adventures of Marina, who first wanted to be human under "Hed Wig" the sea hag s spell. After her spell breaks, due to a snotty princess going after Prince Justino, Amsel the wise man and his wise otter, Ridori tells him the whole story and gives him tonic, so he can explore underwater. There, we hear the legend about a golden scroll that can change mermanoids to humans and live forever and also to re-unite humans and mermanoids. But the problem is, Hed Wig and her ditsy shark friend, Dudly are going after them, no matter where they go. But if that s not enough, a spoiled nobleman wants to exploit the mermanoid folks. Will Marina and her friends fight the odds?