Shoo es enviada a una apartada aldea para cuidar a una mujer agorafóbica que vive obsesionada con que Na Sídhe, un ser de la mitología irlandesa similar a las hadas, la secuestró durante su noche de bodas.

Care worker Shoo, who is haunted by a personal tragedy, is sent to a remote village to care for an agoraphobic woman, who fears both her neighbours and the Na Sídhe – sinister folkloric entities she believes abducted her decades before.