Kate Gallagher has returned to Hogarth only to learn terrible news: as he was leading a secret expedition south, her estranged friend Hawklight was murdered by unknown assassins. Driven by guilt because she created the rift in their friendship, Kate vows to avenge his death. But as she begins to sift through the facts about his mysterious mission, she uncovers a diabolical plot that threatens to resurrect the spectre of Varak in the form of a new overlord of Bexus. Time is running out as Kate and her friends embark on a perilous adventure to prevent the unthinkable from happening. Unfortunately, others are constantly a step ahead in the race, and throughout the quest Kate and her companions are ruthlessly pursued in an attempt to prevent them from succeeding. Kate's destiny is inextricably entwined in this twisted power struggle, as she alone possesses the capability to prevent another tyrant from enslaving the planet. But she has yet to discover that there is a steep price to pay as an old nemesis seeks to settle a score.