Teenagers always feel different, but these three teens are truly different: they're mermaids. Trying to keep their special powers a secret is difficult for a fearless Korean girl named Meilyn and her best friends Stephanie and Briar. When they're not at school, they use their magical powers to save sea turtles and rescue those in need, as well as defeat the evil pirate wizard Vexius and the witch ravenTempestlaura. The local bully Spencer and the snobbish and popular girl Ember don't go east with the girls to keep their adventures hidden.