Sixteen-year-old friends Red, Leo, Rose, and Naomi are misfits; still figuring out who they are and who they want to be. Life isn't perfect, but music unites them, and they're excited about what the future holds for their band, Mirror, Mirror. That is until Naomi vanishes before being pulled unconscious out of the river. She's left fighting for her life in a coma. The police claim it was a failed suicide attempt, but her friends aren't convinced. Will Naomi ever wake? What -. or perhaps who - led her to that hospital bed? How did her friends fail to spot the warning signs? While Rose turns to wild partying and Leo is shrouded by black moods, Red sets out to uncover the truth. It's a journey that will cause Red's world to crack, exposing the group's darkest secrets. Nothing will ever be the same again, because once a mirror is shattered, it can't be fixed. Cara Delevingne, the voice of her generation, explores identity, friendship and betrayal in this gripping and powerful coming-of-age story. For fans of WE WERE LIARS, THIRTEEN REASONS WHY and THE GIRLS.