For some time now, Adagio Dazzle and her sisters, Aria and Sonata, have had to get by without their powers, knowing that they will never have the level of adoration and praise they once tried so hard to achieve. However, one day, the Siren leader finds herself meeting a stranger to Canterlot High. One who seems to be giving her all of the admiration she once sought.

But, is there more to this newcomer than she and the others first thought?