It's crazy to think that R5 has a younger sister but turns out they do. She's known as the Forgotten Sister. She's gone to great lengths to keep her family a secret, even moved schools and changed her name. But what happens when her siblings return from tour? How long can she keep her secret? Will kids at school praise her? Or will the hate her? Will friends stay friends or will her life as she knows it come crashing down?All Rights Reserved