Sixteen-year-old Rue Silver, whose mother disappeared weeks ago, believes she is going crazy until she learns that the strange things she has been seeing are real, and that she is one of the faerie creatures, or Good Neighbors, that mortals cannot see.

While sixteen-year-old Rue Silver travels into the faerie realm to find her mother, faerie creatures are entering the human world and wreaking havoc, forcing Rue to ponder where her loyalty should lie.