After being dismissed from camp amidst political unrest, Ginny, Arvin, and Alaric uncover evidence that Henry had forged documents and killed a scholar. Tasked with capturing him, they team up with a group of scholars in pursuit of Henry.

Their journey leads them back to Fallowbrae Castle, now protected by a powerful magical barrier. Inside the ruins, Alaric, Ginny and Arvin battle skeletons and solve cryptic riddles that test their past and resolve. In a hidden library guarded by a mysterious fox-like being named Fyldric, they learn Henry is trying to give the spirit of King Macbeth a new body using an ancient tree and a magical gem called the Lumina.

In a climactic confrontation, Macbeth begins to possess Henry, but the group intervenes. With the help of a mysterious magical dice, time is rewound. Henry is spared possession, and the group defeats Macbeth. However, the library vanishes from their memory. All they recall is finding Henry during a strange ritual. Though victorious, the cost is high. Ginny’s bees never return, and Arvin had forgetten his past. And Alaric? Although there was no test for him, he would be tested in the future...