In his youth, Masud (Zakariyyāʾ) al-Qazwini was a travelling scholar, always in search of wonders and marvels in his quest for knowledge. On one occasion, he stops by a certain land, and there hears a most curious rumor - a werewolf is lurking about! Though he has his doubts about the truth, he is nonetheless eager to investigate it. However, a few days later, he is summoned by the vizier, who needs a certain favor from him... A tale of history, werewolves, and scholarship from an unparalleled master of historical manga.