When Tom Orange rescues a mysterious young woman from a flooded river, he senses that their fates will deeply intertwine. At first, she claims to remember nothing, and rumor animates Root --- an isolated settlement deep in a strange wilderness. Benjamin Knox, the town doctor, attends to her recovery and learns her name is Molly. As the town inspects its young visitor, she encounters a world teeming with wonders and oddities. As dark forces encircle the town, the truth of Molly's past spills into the present.