Set at Hogwarts in the 1800s, the story follows a student who arrives having received a late acceptance to the Hogwarts School of Witchcraft and Wizardry. This student soon proves to be no ordinary pupil, possessing an unusual ability to perceive and master a lost form of power known as Ancient Magic. That gift ties the student to an ancient secret that threatens to tear the wizarding world apart. As events unfold, the student must decide whether to protect this secret for the good of all, or yield to the temptation of more sinister magic.