Steffi has been a selective mute for most of her life - she's been silent for so long that she feels completely invisible. But rhys, the new boy at school, sees her. He's deaf, and her knowledge of basic sign language me...Steffi has been a selective mute for most of her life - she's been silent for so long that she feels completely invisible. But rhys, the new boy at school, sees her. He's deaf, and her knowledge of basic sign language means that she's assigned to look after him.