Set in a 14th-century Italian monastery, this historical mystery follows a Franciscan friar and his novice as they investigate a series of bizarre deaths among the monks. As they unravel clues, they uncover hidden secrets and face a complex web of intrigue involving heresy, forbidden knowledge, and political machinations. The narrative intertwines philosophical and theological debates with a gripping murder mystery, exploring themes of power, faith, and the pursuit of truth. This richly detailed story offers a deep dive into medieval life and the nature of knowledge itself.