Mt. Therese, New Hampshire, has always had ghosts. Buried in the ground beneath the concrete, woven into the foundations of buildings and houses, and stashed away from prying eyes, they walk the roads bridging the rural to the urban, hiding in the spaces behind the sunlight. Being a seer, Cosette Arden draws them in and sees past their hiding spots, learning how to live alongside them. But when a strange girl named Genevieve crashes...