With Portland about to descend into chaos, Allie Beckstrom needs to find a way to purify the wells of tainted magic beneath the city. But the only options left to her are grim, attempt to close down magic forever, or follow her father's plan to set magic into the right hands-even though she's learned to never trust his word. Now, Allie will have to make a choice and face the darkness of her own deepest fears, before time runs out for them all...