Luisne is a young fairy who lives in the fairy fort of Lios Lurgain in the World of the Sí. As she learns about the World of the Sí and the World of People, she has many adventures with her friends. There’s going to be a big wedding in Lios Lurgain! Luisne’s brother, Lugh, is to marry his sweetheart, Eimhear. Luisne and Deirdre and all the young fairies have been invited to the wedding and they’re all excited about the big day. But not everyone has received an invitation. One very nasty fairy isn’t very happy because he hasn’t been invited, and when he arrives at the wedding he isn’t there to celebrate!