Leo Faulkner continues his study of the wild magic in Crestmarch, a frontier town on the edge of civilization. He has made a name for himself as the wraith-slayer, earned the adulation of the townsfolk, and the favor of several beautiful and strong-willed women. But a new threat looms over Crestmarch. Leo will have to contend with an ancient, eldritch evil if he wishes to defend his new home, friends, and lovers.