Zoe Maisey, a seventeen-year-old genius musical prodigy, once served time in juvie for her part in an accident that left three of her classmates dead. Now she and her mother, Maria, have made a new life for themselves, and Maria has made Zoe swear never to reveal her past, not even to her new step-dad. On the night of Zoe's first recital in years, Maria ends up dead, and in the aftermath everyone, including Zoe herself, has to figure out just what they missed that might have prevented it.