15-year-old Jessica believes that she is going crazy. Small, everyday sounds, like the sound of her brother chewing his food, or of a classmate clicking his pen, have suddenly begun to trigger within her an instant feeling of rage. She is afraid to tell her friends, her parents, or anyone, including the long list of doctors that her mother drags her along to, what is going on inside of her head. She is afraid that if she does, that they too, will then believe that she is, in fact, going crazy.Sound is a year long journey, from doctor to doctor, and of self discovery. While her life suddenly spirals out of control from her unknown disorder, Jessica also finds herself reexamining her relationship with her best friend, allowing into her life the older boy that she had always avoided, trying to cope with her grandmother