When Lily Griffin finds a girl trapped inside a magic mirror, she uncovers a long-forgotten family secret and sets in motion a remarkable chain of events. Lily is a singular character, hilariously funny, sweetly poignant, and deeply daggy. Plagued by social doubts and her own peculiarities, she is the perfect person to investigate the many secrets of her grandfather's house and, along the way, mend some family relationships, discover enduring friendship, and learn to play netball.