In a world where going Gray means certain death, Scout's relentless quest for a cure becomes a race against time to save her loved ones. When she's nearly claimed by a deadly blizzard, her survival is miraculously ensured by the unexpected visitation of a long-lost friend. Shortly thereafter, she and her companions uncover the life-saving cure, but their triumph is short-lived as Grays overrun their sanctuary.Once again on the run, with nowhere to...