The Sisters of St. Twilicorn seek the cursed tome, The Book of Par’tayz, only to discover that the Thunderhooves Chapter of the Big Macrines also seeks the tome, though for different purposes. As they search for the book, they must overcome mutual animosity as they discover that a larger conspiracy is afoot and they are hardly the only ones who seek the book. Can they survive harrowing battles to come and, more importantly, can they survive each other?