Zoe Maisey is a seventeen-year-old musical prodigy with a genius IQ. Three years ago, she was involved in a tragic incident that left three classmates deads. She served her time and now her mother, Maria, has resolved to keep that devastating fact tucked far away from their new beginning, hiding the past even from her new husband and demanding that Zoe do the same. Tonight Zoe is giving a recital that Maria has been planning for months. It needs to be the performance of Zoe's life. But instead, by the end of the evening, Maria is dead. In the aftermath, everyone -- the police, family, Zoe's former solicitor, and Zoe herself -- tries to piece together what happened.

To everyone who knows her now, Zoe Maisey - child genius, musical sensation - is perfect. Yet several years ago, Zoe caused the death of three teenagers. She served her time, and now she's free. Her story begins with her giving the performance of her life. By midnight, her mother is dead. The Perfect Girl is an intricate exploration into the mind of a teenager burdened by brilliance, and a past that she cannot leave behind.

In the aftermath, everyone, police, family, Zoe's former solicitor, and Zoe herself, tries to piece together what happened. As Zoe knows all too well, the truth is rarely straightforward, and the closer two people are, the less they may see.