After an explosion rocks their desert megacity, Delkan and Ziara are drawn into a fight against the Varul, a virus that can hijack the mind. Ziara has already been infected, and while Delkan’s squad hunts the enemy outside, she is fighting it within.

When police chief Luke Alden investigates a murder near his home, he uncovers a hidden world of terrifying magic and a monster that devours souls. The next target may be his daughter, Lucy, whose own abilities have begun to surface.