Apprentice warlocks Augum, Bridget, and Leera have reunited with their legendary mentor, Anna Atticus Stone. But her epic battle with the diabolical Lord of the Legion has taken a toll, and now she suffers from a deadly arcane fever. To revive her, Augum will have to earn the respect of a warrior people ... by facing his childhood tormentors.

Meanwhile, Augum and Leera's feelings for each other are complicated by the upcoming Star Feast, a magical midnight dance to mark Endyear. Their revelry will have to be short-lived, however, for a perilous quest beckons—the trio must infiltrate an ancient castle that will pit them against enemies old and new, while testing every ounce of their skill and courage.