Huey's grandfather was commissioned to appraise books of the late grandfather of Estella Lilbarn, a woman who now lives alone in the estate after inheriting her grandfather's possessions. Huey goes with Dalian in his grandfather's place to the home of Estella's grandfather. However, they soon discover from Estella's cousin that a string of mysterious murders have been occurring on the estate, due to a cursed book that belonged to their late grandfather. Believing that a Phantom Book may be involved, Huey and Dalian begin investigating on the mysterious curse.