Valentine Marsh’s magic grandmother is gone—missing from her New Jersey retirement home—and Val’s mom fears the worst. But Val knows that Gran is on a mission. Unlike her mom, Val accepts the reality of the magical gift that all the Marsh women inherit, so it’s no huge surprise when she discovers that the new school psychologist—clever, jovial, creepy Dr. Brightner—is not only a ruthless necromancer but also the threat that has sent Gran into hiding. Brightner is determined to co-opt the Marsh women’s gifts, which he needs to power an evil ritual that will steal an army of ouls from New York’s homeless and deliver them to fight in a distant wizards’ war. Far from supporting Val, her mom falls under Brightner’s spell. With only her brains, her nerve, and the unknown powers of the enchanted glove from Gran, Val desperately strives to improvise the rescue of her mother—and of Brightner’s army of helpless, conscripted souls—before his growing vortex of destructive force sweeps them all away to their doom.