In the midst of a lively festival, a girl vanishes into flames, a spectacle echoing an ancient legend, all within a locked room and witnessed by many. When rookie knight Werner and Witch Hunter Ludovika investigate, they stumble upon a deep-rooted history shrouding the mysterious event. Complicating matters is the interference of the inquisitor Ersilia, adding layers of tension to their quest. As old friends turned foes navigate through a web of magic and centuries-old enigmas, they uncover the truth behind the girl's plight, leading to a revelation of justice long overdue.