Tamar is admitted to Lime Grove, a psychiatric hospital for teenagers, where she is asked endless questions. How did theself-harming start? Will you tell us what happened? How do you feel, on a scale of one to ten? But there’s one questionTamar can’t-won’t-answer: What happened to her friend Iris, who died at the weir? A uniquely powerful and devastating novel of fragility and forgiveness written by a hugely talented young author.