Bridget Lederle is the lighthouse keeper on Sand Island, Wisconsin in 1899. She’s an outcast, having had a baby (which died) while she was single. One night she saves the life of mysterious Valin Kalami whose boat crashed onto the rocky shore of Lake Superior.
It turns out that Kalami is a sorcerer sent from the kingdom of Isavalta to find Bridget — who doesn’t realize that she has a tie to this parallel world and some powers of her own. With not much to keep her on Sand Island,