Ruin Roberts must seal three remaining portals to Hell to earn her place among the Keepers—supernatural guardians who prevent Grim Reapers from harvesting unmarked souls. Fresh to her half-angel abilities, Ru faces an impossible deadline: complete her mission before the vengeful Thanatos tracks her down. Her only advantages are a loyal team of seasoned Keepers and a desperate race against time to locate her vanished mother, who possesses the crucial map to the portals' locations. Every moment counts as half-demons prowl Reaper's Hollow, threatening innocent lives and closing in on Ru herself. Can Ru find her mother and seal the portals before Thanatos claims her, or will she sacrifice everything to protect the town—and those she loves?